Todd County · Minnesota

Lake Pepin

Soundings in feet · 54 acres · deepest 34 ft

Where it is

at Swanville

Todd County, Minnesota · 45.9099° N, 94.6488° W

Directions to Pepin Lake Public Water Access Site Apple Maps

Directions open in Google or Apple Maps, to the Minnesota DNR public access site.

Today on the lake

Updated 15 Oct 2026, 5:35 pm EDT.

WEATHERThis Afternoon: chance light rain, 50°F, wind WNW 5 to 15 mph. Tonight: light rain likely, 37°F, wind NW 15 to 25 mph.

WARNINGSFreeze Watch.

FIRENo wildfires or prescribed burns reported within 25 miles.

BURNINGCampfires and debris burning: check today's fire danger and burning restrictions with Minnesota DNR.

ALGAEToo small for satellite monitoring (under 1 km²). Minnesota publishes no statewide bloom-report record.

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).

Depth map

6 contours, 5 to 30 ft

051015202530feet

Minnesota DNR lake survey, fetched 15 Oct 2026. Not for navigation.

Getting on the water

1 public access site on Lake Pepin.

Pepin Lake Public Water Access Site · City of Swanville

trailer launch · 1 ramp · concrete ramp · 4 trailer spaces · restroom

Minnesota DNR public water accesses, fetched 15 Oct 2026.

Fishing

Minnesota DNR stocking reports list 1 stockings of Lake Pepin in 1 of the years 2024 to 2024. The most recent, in 2024, included 1,500 walleye fingerlings. Species stocked: walleye.

2024STOCKED1,500 walleye fingerlings

Source: Minnesota DNR Fisheries (LakeFinder stocking reports), fetched 15 Oct 2026. How we measure

Where the deep water is

Show water deeper than

Measured from Minnesota DNR contours. How we measure

Fish survey

Minnesota DNR’s latest standard fish survey of Lake Pepin was in June 2023: 3 gill nets caught 7 species.

Fish per gill net, 3 sets. Line: Lake Pepin. Bracket: normal for similar lakes.

Northern pike11above normal

Yellow perch1.0below normal

Black crappie0.7below normal

Northern pike per gill net, standard surveys: 1990 3.5 · 1997 20 · 2003 5.7 · 2010 6.3 · 2023 11

Sizes in the nets

Northern pike: 33 measured, 15 to 31 in, half 20 in or longer; average 2 lb, normal (normal 1.8–3.3 lb).

Also caught: black bullhead, bluegill, bowfin (dogfish), white sucker.

Source: Minnesota DNR Fisheries lake survey, 26 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

Water quality

Measured water clarity averages about 10 ft: the Secchi depth across 2 readings, 2010–2023.

Clarity 9.5 ft of 34 ft

Minnesota Pollution Control Agency and volunteer Secchi readings, via Minnesota DNR LakeFinder, fetched 15 Oct 2026.

Nearby lakes with measured depth

Moose Lake26 ft deep · 2.4 mi · Todd County

Little Swan Lake67 ft deep · 2.5 mi · Todd County

Mons Lake80 ft deep · 3.2 mi · Todd County

Bass Lake82 ft deep · 3.4 mi · Todd County

Buck Lake39 ft deep · 3.7 mi · Todd County

Long Lake63 ft deep · 3.9 mi · Todd County

Minnesota DNR lake survey; straight-line miles.

Common questions

How deep is Lake Pepin?

Lake Pepin is 34 feet at its deepest point, measured by Minnesota DNR survey. It covers 54 acres.

Is there a public boat launch on Lake Pepin?

Yes. 1 public access site is listed: Pepin Lake Public Water Access Site.

Is Lake Pepin stocked with fish?

Yes. Minnesota DNR stocking reports list 1 stockings of it in 1 of the years 2024 to 2024. The most recent, in 2024, included 1,500 walleye fingerlings.

What fish are in Lake Pepin?

Minnesota DNR’s June 2023 standard survey caught 7 species, most often northern pike, yellow perch, black crappie and bluegill.

How much of Lake Pepin is deeper than 10 feet?

About 70% of the lake's area is deeper than 10 feet, measured from Minnesota DNR depth contours.