4 miles southeast of Rice
Benton County, Minnesota · 45.7317° N, 94.1687° W
Directions to Little Rock Lake, Benton Beach Public Water Access SiteApple Maps
Directions open in Google or Apple Maps, to the Minnesota DNR public access sites (4 listed; this is the first).
Updated 15 Oct 2026, 4:27 pm EDT.
National Weather Service; National Interagency Fire Center; U.S. EPA CyAN satellite; Minnesota DNR. Weather, warnings, fires and satellite refresh when you open the page (checked at most hourly).
Minnesota DNR lake survey, fetched 15 Oct 2026. Not for navigation.
4 public access sites on Little Rock Lake.
Minnesota DNR public water accesses, fetched 15 Oct 2026.
Minnesota DNR’s latest standard fish survey of Little Rock Lake was in June 2025: 11 gill nets caught 10 species.
Walleye per gill net, standard surveys: 2002 10 · 2009 0.6 · 2014 1.6 · 2020 17 · 2025 1.4
Walleye: 89 measured, 4 to 24 in, half 6 in or longer; average 2.2 lb, above normal (normal 0.9–1.9 lb).
Northern pike: 48 measured, 17 to 30 in, half 22 in or longer; average 2.8 lb, normal (normal 1.5–3 lb).
Black crappie: 17 measured, 5 to 6 in, half 5 in or longer; average 0.11 lb, below normal (normal 0.2–0.4 lb).
Also caught: bigmouth buffalo, bluegill, channel catfish, common carp, shorthead redhorse, white sucker.
Source: Minnesota DNR Fisheries lake survey, 18 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 2 ft: the Secchi depth across 4 readings, 2009–2025.
Minnesota Pollution Control Agency and volunteer Secchi readings, via Minnesota DNR LakeFinder, fetched 15 Oct 2026.
Minnesota DNR lake survey; straight-line miles.
Little Rock Lake is 17 feet at its deepest point, measured by Minnesota DNR survey. It covers 1,311 acres.
Yes. 4 public access sites are listed: Little Rock Lake, Benton Beach Public Water Access Site; Little Rock Lake, Hwy 10 Public Water Access Site; Little Rock Lake, Rose Anna Beach Public Water Access Site; Little Rock Lake (NW) Public Water Access Site.
Minnesota DNR’s June 2025 standard survey caught 10 species, most often channel catfish, northern pike, black crappie and walleye.
About 45% of the lake's area is deeper than 10 feet, measured from Minnesota DNR depth contours.