2 miles northwest of Richville
Otter Tail County, Minnesota · 46.5308° N, 95.6552° W
Directions to Marion Lake Public Water Access SiteApple Maps
Directions open in Google or Apple Maps, to the Minnesota DNR public access site.
Updated 19 Oct 2026, 6:10 pm EDT.
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Minnesota DNR lake survey, fetched 15 Oct 2026. Not for navigation.
1 public access site on Marion Lake.
Minnesota DNR public water accesses, fetched 15 Oct 2026.
Minnesota DNR stocking reports list 13 stockings of Marion Lake in 7 of the years 2016 to 2025. The most recent, in 2025, included 100 walleye fingerlings. Species stocked: walleye.
Latest: 2025: 1,366 walleye yearlings.
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 Marion Lake was in June 2025: 12 gill nets and 11 trap nets caught 15 species.
Walleye per gill net, standard surveys: 2009 5.8 · 2012 8.7 · 2016 11 · 2021 6.4 · 2025 1.7
Bluegill per trap net, standard surveys: 2009 53 · 2012 40 · 2016 67 · 2021 64 · 2025 31
Walleye: 32 measured, 8 to 27 in, half 15 in or longer; average 1.5 lb, normal (normal 1.2–2.1 lb).
Northern pike: 125 measured, 12 to 34 in, half 19 in or longer; average 2.4 lb, normal (normal 1.6–2.8 lb).
Largemouth bass: 38 measured, 6 to 19 in, half 10 in or longer; average 1.1 lb, normal (normal 0.5–1.2 lb).
Black crappie: 27 measured, 4 to 11 in, half 10 in or longer; average 0.53 lb, normal (normal 0.3–0.6 lb).
Bluegill: 504 measured, 0 to 8 in, half 7 in or longer; average 0.17 lb, normal (normal 0.1–0.2 lb).
Also caught: black bullhead, brown bullhead, common carp, green sunfish, hybrid sunfish, white sucker, yellow bullhead.
Source: Minnesota DNR Fisheries lake survey, 23 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 12 ft: the Secchi depth across 6 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.
Marion Lake is 62 feet at its deepest point, measured by Minnesota DNR survey. It covers 1,624 acres.
Yes. 1 public access site is listed: Marion Lake Public Water Access Site.
Yes. Minnesota DNR stocking reports list 13 stockings of it in 7 of the years 2016 to 2025. The most recent, in 2025, included 100 walleye fingerlings.
Minnesota DNR’s June 2025 standard survey caught 15 species, most often bluegill, hybrid sunfish, northern pike and yellow perch.
About 76% of the lake's area is deeper than 10 feet, measured from Minnesota DNR depth contours.