Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Report by Marty Thomas, Lake O the Pines Crappie Fishing. Fishing Forecast. Good luck and good fishing ! As no man is born an artist, so no man is born an angler. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Fishing Forecast. It is located in Highland County and covers 1,954 acres. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Lake Launch Ramp Time Results; 04/13/2024: Rocky Fork: East Shore Marina Ramp: 7:00 am - 3:00 pm: N/A:. Fishing Forecast. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. An official State of Ohio site. Fishing Forecast. com . On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Username. Fishing Forecast. Rocky Fork Lake has a average depth of about 15 feet, with a maximum depth of about 40 feet. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. FAIR. Fishing Forecast. Home. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. 5287 posts · Joined 2009. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. #2 · Jul 12, 2020. Fishing Forecast. Caney Fork River fishing report by Rocky Top Anglers. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Crappie and sunfish also populate the lake in good numbers. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing-specific information includes fishing access and placement of fish attractors. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Prepare for success with accurate data about the type of fish that are caugh in Rocky Fork Lake,. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Report a Wildlife Violation Submit a Report Online Call 1-800. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. The maps below are brought to you by ODNR Division of Wildlife. Cowan Lake Angler Survey; Rocky Fork Lake. Skip to Navigation Skip to Main Content Ohio Department. Learn More about Rocky Fork LakeMethods of Fishing and Best Fishing Sites: Largemouth bass are taken on driving and surface lures, plastic worms, jigs and live worms around fallen trees and stumps along rocky shorelines and in bays. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Go & Do. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Here’s how you know learn-more. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Menu. Fishing Forecast. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Home;. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Menu. I took a trip out to Rocky Fork today with a friend. Fishing reports and forecasts to help you plan for walleye fishing success this winter! IBM WebSphere Portal. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. These lakes do not allow motorized boats: Campbell Lakes (Great Parks of Hamilton County) - no sailboats allowed. 2020 Fishing Journals. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Home. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Guide to fishing for largemouth bass, smallmouth bass, channel catfish, flathead catfish, black crappie, white crappie, bluegill, white bass, muskie and saugeye at Rocky Fork Lake in Ohio. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Stump Lake (Punderson State Park) - non-powered sailboats permitted. No horsepower restrictions on this lake. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. If you observe a wildlife violation, click here and submit the form online or print the form and mail to: TIP Headquarters, Division of Wildlife. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. S. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Bass fishing on Lake Fork in December means shallower waters & targeting fish near shallow vegetation. Fishing Forecast. Fishing Forecast. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Here’s how you know learn-more. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. We caught 3 saugeye, 1 bluegill, 3 white bass, 3 largemouth, 4 ring perch and maybe 25 crappie. Skip to Navigation Skip to Main Content Ohio Department. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. No horsepower restrictions on this lake. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. (1) May 28-29 2 day trip out of Santa Barbara, looking for 5 people to make 20 for the trip. Sand bass are good on main lake points in 20-30 feet of water with slabs. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. BASSIN is a fishing team tournament trail, catering to the weekend angler and our youth. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. 24 low. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing reports and forecasts to help you plan for walleye fishing success this winter! IBM WebSphere Portal. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Rocky Fork Lake Crappie trap netting catch rates broken down by size groups compared to the district 5 and statewide average catch rates. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Fishing Forecast. Prior to impoundment, the present lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Menu. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Buy & Apply. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Password. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Fishing Forecast. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing reports and forecasts to help you plan for walleye fishing success this winter! IBM WebSphere Portal. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Top Fishing Techniques reported for Fall Largemouth Bass on. It was a pretty mixed bag and the action was never fast paced but was rather spread pretty evenly through out the day. Fishing Forecast. Fishing Forecast. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Crappie and sunfish also populate the lake in good numbers. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Rocky Fork Lake Choose a top technique based upon Rocky Fork Lake Reports filed by local anglers. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Or call the TIP toll-free hotline, 1-800-POACHER. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. #39 · Jun 1, 2020. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. rocky fork fork fishing and and camping. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. The water was stained with ample weeds around docks and lily pads along the shore. S. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Fishing Forecast. U. Fishing Forecast. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. To register for the class, call 440-934-5345. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. In another month and a half or maybe two the saugeye will be jumping in your boat. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Go & Do. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. There is plenty of public property on USFS, State Forest and Crater Lake National Park – fishing is regulated by the National Park (541-594-3000). On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Home. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Most maps are in color and show lake depth with contours. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. An official State of Ohio site. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. This link will open in a new window. Length at age in inches for Crappie sampled at Rocky Fork Lake compared to district 5 and statewide averages. ORR-ONS. On April 7 th, both Elk and Thetis Lakes were stocked with 2,000 catchable rainbows averaging 210. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Go & Do. British Columbia fishing reports from Vancouver Island, Metro Vancouver, Fraser Valley, Skeena, Thompson-Nicola, Okanagan, Kootenay. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Catfish are good on tire reefs 20-25 feet deep with cheese bait. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. The water was. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches.