Rock Lake
Becker County, Minnesota
Today's Fishing Forecast
Fishing looks to be moderately active with peak fishing times around 7-8 AM and 3-5 PM. SEE MORE
Share your catch!
We want to see what you've caught on Rock Lake.Frequently Asked Questions About Rock Lake, MN
- How big is Rock Lake?
- How deep is Rock Lake?
- What kind of fish can you catch in Rock Lake?
- What are the closest cities to Rock Lake?
- Are there places to stay in the Rock Lake area?
- Are there boat launches on Rock Lake?
- Are there places to eat and drink near Rock Lake?
- What is the average air temp for Rock Lake?
How big is Rock Lake?
How deep is Rock Lake?
What kind of fish can you catch in Rock Lake?
Other fish species in the lake include Banded Killifish, Blackchin Shiner, Brook Stickleback, Central Mudminnow, Golden Shiner, Hybrid Sunfish, Iowa Darter, Johnny Darter, Spottail Shiner and White Sucker.
What are the closest cities to Rock Lake?
Are there places to stay in the Rock Lake area?
More Lodging Options
Are there boat launches on Rock Lake?
Are there places to eat and drink near Rock Lake?
Explore the Rock Lake area in a RV
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Bemidji, MN
History & Status of the Fishery
Rock Lake is a 1,048-acre lake located about eight miles northeast of Detroit Lakes in central Becker County. The lake periodically experiences winterkill of varying degrees. Very light winterkills, where a few dead fish are observed at the outlet in the spring, are relatively common. Property owners reported dead fish in the spring of 2023. A targeted fisheries survey was conducted in May 2023 to observe the severity of the winterkill.
Dead fish of all species were observed while surveying. Trap nets captured Northern Pike, White Sucker, Tadpole Madtom, Yellow Perch, and three species of bullhead, all species which are more tolerant to low oxygen conditions. Bullheads were abundant. Northern Pike were caught in good numbers with an average length of 20 inches. Unfortunately, Rock Lake appears to have experienced a significant winterkill for Bluegill, Black Crappie, and Largemouth Bass during the 2022-2023 winter. This would be the first major winterkill since the winter of 1995-1996. As a result, Walleye, Largemouth Bass, Bluegill, and Black Crappie were reintroduced during 2023. Angling opportunities for Northern Pike are still available, but it will take a few years to have quality fishing for other species.
What is the average air temp for Rock Lake?
More Nearby Lakes To Explore
There's more lake's to explore around Rock Lake...| DISTANCE | ACRES | MAX DEPTH | |
| Rochert Lake | 1.3 mi | 17 | |
| Werk Lake | 1.8 mi | 82 | |
| Rice Lake | 1.9 mi | 231 | 23 ft |
| Little Cotton Lake | 2.5 mi | 40 | |
| Five Lake | 2.7 mi | 240 | |
| Unnamed Lake | 2.8 mi | 10 | |
| North Twin Lake | 3.0 mi | 32 | |
| Pickerel Lake | 3.6 mi | 361 | 74 ft |
| Buffalo Lake | 3.6 mi | 418 | 38 ft |
| Pickeral Lake | 3.7 mi | 361 | 74 ft |
