4 miles northeast of Hoffman
Douglas County, Minnesota · 45.8570° N, 95.7147° W
Directions to Red Rock Lake Public Water Access SiteApple Maps
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Updated 19 Oct 2026, 6:00 pm EDT.
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Minnesota DNR lake survey, fetched 15 Oct 2026. Not for navigation.
1 public access site on Red Rock Lake.
Minnesota DNR public water accesses, fetched 15 Oct 2026.
Minnesota DNR stocking reports list 7 stockings of Red Rock Lake in 7 of the years 2017 to 2025. The most recent, in 2025, included 8,209 walleye fingerlings. Species stocked: walleye.
Latest: 2025: 8,209 walleye fingerlings.
Source: Minnesota DNR Fisheries (LakeFinder stocking reports), fetched 15 Oct 2026. How we measure
Measured from Minnesota DNR contours. How we measure
Minnesota DNR’s latest standard fish survey of Red Rock Lake was in June 2025: 12 gill nets caught 9 species.
Walleye per gill net, standard surveys: 2006 3.9 · 2010 2.8 · 2014 4.4 · 2019 4.5 · 2025 7.7
Walleye: 92 measured, 7 to 23 in, half 15 in or longer; average 1.4 lb, normal (normal 1.1–2.6 lb).
Northern pike: 83 measured, 13 to 33 in, half 22 in or longer; average 3 lb, above normal (normal 1.5–2.7 lb).
Lmb: 31 measured, 8 to 18 in, half 13 in or longer.
Black crappie: 985 measured, 6 to 13 in, half 8 in or longer; average 0.45 lb, above normal (normal 0.1–0.3 lb).
Bluegill: 178 measured, 3 to 10 in, half 8 in or longer.
Also caught: black bullhead, bluegill, brown bullhead, yellow bullhead.
Source: Minnesota DNR Fisheries lake survey, 2 Jun 2025, via LakeFinder, fetched 15 Oct 2026. Normal range: DNR’s range for lakes of the same class (43 classes, grouped by water chemistry and shape). Each line has its own scale. How we measure
Measured water clarity averages about 10 ft: the Secchi depth across 5 readings, 2006–2025.
Minnesota Pollution Control Agency and volunteer Secchi readings, via Minnesota DNR LakeFinder, fetched 15 Oct 2026.
Minnesota DNR lake survey; straight-line miles.
Red Rock Lake is 22 feet at its deepest point, measured by Minnesota DNR survey. It covers 904 acres.
Yes. 1 public access site is listed: Red Rock Lake Public Water Access Site.
Yes. Minnesota DNR stocking reports list 7 stockings of it in 7 of the years 2017 to 2025. The most recent, in 2025, included 8,209 walleye fingerlings.
Minnesota DNR’s June 2025 standard survey caught 9 species, most often yellow perch, walleye, northern pike and black crappie.
About 59% of the lake's area is deeper than 10 feet, measured from Minnesota DNR depth contours.