The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (back of a cove) is open for everyone; the other 6 come with LakeScope PRO. Full screen
Black Duck Lake
St. Louis County, Minnesota · about 1,160 acres (1.8 sq mi)
38°F water, calm this morning.
About Black Duck Lake
Black Duck Lake spreads over about 1,160 acres in St. Louis County, Minnesota.
From end to end it runs about 2.6 miles and its shoreline adds up to about 10.6 miles. Its surface is about 1,310 ft above sea level. The nearest town, International Falls, is about 37 miles northwest.
- Size
- About 1,160 acres (1.8 sq mi)
- Shoreline
- About 10.6 miles
- End to end
- About 2.6 miles
- Elevation
- About 1,310 ft
- County
- St. Louis County
The lake from above
Best fishing times
Saturday Good
- 6:45 am – 9:00 amsunrise · wind 0 mph
- 3:15 pm – 5:15 pm bestsunset, moon overhead · wind 0 mph
Sunday Good
- 6:45 am – 9:00 amsunrise · wind 5 mph
- 4:15 pm – 5:15 pm bestsunset, moon overhead · wind 5 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
Expect the usual Minnesota mix for a lake this size: walleye, northern pike, largemouth bass, smallmouth bass and yellow perch. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 38°F on the surface right now, here is how each one should behave.
- FairWalleye
Cold. Slow jigs on deep structure.
- FairNorthern pike
Cold. Slow baits near weed edges and drop-offs.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- SlowSmallmouth bass
Cold. Slow presentations on deep rock.
- FairYellow perch
Cold. Deep schools; small jigs or minnows.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Back of a cove
Sheltered, shallower water where baitfish gather.
- 2
- 3
- 4
- 5
- 6
- 7
6 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:15 am · sunset 4:34 pm · waxing crescent moon (lake time).
Towns and places to stay near Black Duck Lake
- International Fallsabout 37 mi northwest
- Mountain Ironabout 46 mi south
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Questions about Black Duck Lake
What fish are in Black Duck Lake?
Lakes like Black Duck Lake usually hold walleye, northern pike, largemouth bass, smallmouth bass and yellow perch. Check the state fish and wildlife agency for stocking and limits.
How deep is Black Duck Lake?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Black Duck Lake?
About 1,160 acres, with about 10.6 miles of shoreline.
What town is near Black Duck Lake?
International Falls is about 37 miles northwest; Mountain Iron is about 46 miles south.
What is the water temperature at Black Duck Lake today?
The surface was about 38°F on the latest clear reading. The page updates every day.
Black Duck Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
