The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (upper arm) is open for everyone; the other 6 come with LakeScope PRO. Full screen
Thunder Lake
Cass County, Minnesota · about 1,240 acres (1.9 sq mi)
42°F water, calm this morning.
About Thunder Lake
In Cass County, Minnesota, Thunder Lake covers about 1,240 acres.
It stretches about 2.8 miles end to end with roughly 12.3 miles of shoreline. At about 1,300 ft above sea level, it follows the seasons of the region. Crosslake is about 20 miles south.
- Size
- About 1,240 acres (1.9 sq mi)
- Shoreline
- About 12.3 miles
- End to end
- About 2.8 miles
- Elevation
- About 1,300 ft
- County
- Cass County
The lake from above
Best fishing times
Friday Good
- 6:45 am – 9:00 amsunrise
- 3:00 pm – 4:45 pm bestsunset, moon overhead · wind 0 mph
Saturday Good
- 6:45 am – 9:00 amsunrise · wind 0 mph
- 3:30 pm – 5:15 pm bestsunset, moon overhead · wind 0 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 42°F on the surface right now, here is how each one should behave.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- GoodNorthern pike
Prime range. Weed edges and shallow bays.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- SlowSmallmouth bass
Cold. Slow presentations on deep rock.
- GoodYellow perch
Schooled near weed edges and soft bottom.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Upper arm
The lake narrows toward the incoming river or creek; moving water carries food.
- 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 7:16 am · sunset 4:43 pm · waxing crescent moon (lake time).
Towns and places to stay near Thunder Lake
- Crosslakeabout 20 mi south
- Cohassetabout 26 mi northeast
- Breezy Pointabout 26 mi southwest
- Grand Rapidsabout 28 mi northeast
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Questions about Thunder Lake
What fish are in Thunder Lake?
Lakes like Thunder 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 Thunder 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 Thunder Lake?
About 1,240 acres, with about 12.3 miles of shoreline.
What town is near Thunder Lake?
Crosslake is about 20 miles south; Cohasset is about 26 miles northeast.
What is the water temperature at Thunder Lake today?
The surface was about 42°F on the latest clear reading. The page updates every day.
Thunder Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
