6 miles southwest of Longville
Cass County, Minnesota · 46.9128° N, 94.2671° W
Directions to Mule Lake (W) Public Water Access SiteApple Maps
Directions open in Google or Apple Maps, to the Minnesota DNR public access sites (2 listed; this is the first).
Updated 19 Oct 2026, 5:51 pm EDT.
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Minnesota DNR lake survey, fetched 15 Oct 2026. Not for navigation.
2 public access sites on Mule Lake.
Minnesota DNR public water accesses, fetched 15 Oct 2026.
Minnesota DNR stocking reports list 12 stockings of Mule Lake in 7 of the years 2016 to 2024. The most recent, in 2024, included 784 walleye yearlings. Species stocked: walleye.
Latest: 2024: 464,580 walleye fry.
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 Mule Lake was in June 2023: 9 gill nets and 9 trap nets caught 10 species.
Walleye per gill net, standard surveys: 2008 2.2 · 2013 4.4 · 2015 2.4 · 2018 3.0 · 2023 2.6
Bluegill per trap net, standard surveys: 2008 22 · 2013 38 · 2015 15 · 2018 30 · 2023 17
Walleye: 23 measured, 15 to 28 in, half 19 in or longer; average 2.4 lb, normal (normal 1.2–3 lb).
Northern pike: 246 measured, 10 to 32 in, half 16 in or longer; average 0.89 lb, below normal (normal 1.5–3.2 lb).
Largemouth bass: 179 measured, 5 to 16 in, half 13 in or longer; average 0.9 lb, normal (normal 0.5–1.2 lb).
Smallmouth bass: 29 measured, 12 to 18 in, half 16 in or longer; average 1.9 lb, above normal (normal 0.8–1.8 lb).
Black crappie: 47 measured, 3 to 11 in, half 8 in or longer; average 0.39 lb, normal (normal 0.2–0.5 lb).
Also caught: smallmouth bass, white sucker.
Source: Minnesota DNR Fisheries lake survey, 20 Jun 2023, 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 18 ft: the Secchi depth across 3 readings, 2008–2023.
Minnesota Pollution Control Agency and volunteer Secchi readings, via Minnesota DNR LakeFinder, fetched 15 Oct 2026.
Minnesota DNR lake survey; straight-line miles.
Mule Lake is 47 feet at its deepest point, measured by Minnesota DNR survey. It covers 525 acres.
Yes. 2 public access sites are listed: Mule Lake (W) Public Water Access Site; Mule Lake Public Water Access Site.
Yes. Minnesota DNR stocking reports list 12 stockings of it in 7 of the years 2016 to 2024. The most recent, in 2024, included 784 walleye yearlings.
Minnesota DNR’s June 2023 standard survey caught 10 species, most often bluegill, northern pike, yellow perch and rock bass.
About 67% of the lake's area is deeper than 10 feet, measured from Minnesota DNR depth contours.