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 4 come with LakeScope PRO. Full screen
Diamond Lake
Cass County, Michigan · 1,020 acres (1.6 sq mi)
47°F water, calm this morning.
About Diamond Lake
Diamond Lake spreads over 1,020 acres in Cass County, Michigan. Diamond Lake in Cass County is a popular southwest Michigan fishing and boating lake with depths reaching 64 feet.
From end to end it runs about 2.2 miles and its shoreline adds up to about 7.4 miles. The water sits about 850 ft above sea level. The deepest water is about 64 ft. Cassopolis is about 1 miles northwest. Elkhart, the nearest city, is about 14 miles south.
- Size
- 1,020 acres (1.6 sq mi)
- Deepest
- About 64 ft
- Shoreline
- About 7.4 miles
- End to end
- About 2.2 miles
- Elevation
- About 850 ft
- Type
- Natural lake
- County
- Cass County
The lake from above
Best fishing times
Friday Good
- 7:00 am – 9:15 amsunrise
- 3:45 pm – 5:15 pm bestsunset, moon overhead · wind 10 mph
Saturday Good
- 7:00 am – 9:15 amsunrise · wind 5 mph
- 4:00 pm – 6:00 pm bestsunset, moon overhead · wind 10 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Diamond Lake
Diamond Lake holds largemouth bass, smallmouth bass, northern pike, walleye, catfish, crappie, yellow perch, bluegill and sunfish and trout. With the surface at 47°F, the notes below say which of them should be biting.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- SlowSmallmouth bass
Cold. Slow presentations on deep rock.
- GoodNorthern pike
Prime range. Weed edges and shallow bays.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- SlowCatfish
Cold. Slow, in the deepest holes. Cut bait works best.
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
4 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 7:31 am · sunset 5:24 pm · waxing crescent moon (lake time).
Towns and places to stay near Diamond Lake
- Cassopolisabout 1 mi northwest
- Dowagiacabout 8.1 mi northwest
- Edwardsburgabout 8.1 mi southwest
- Simonton Lakeabout 9.4 mi south
- Elkhartnearest city, about 14 mi south
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Questions about Diamond Lake
What fish are in Diamond Lake?
Diamond Lake holds largemouth bass, smallmouth bass, northern pike, walleye, catfish, crappie, yellow perch, bluegill and sunfish and trout. Check the state fish and wildlife agency for stocking and limits.
How deep is Diamond Lake?
About 64 ft at the deepest point. The 3-D view shows where the deep water is.
How big is Diamond Lake?
1,020 acres, with about 7.4 miles of shoreline.
What town is near Diamond Lake?
Cassopolis is about 1 miles northwest; Dowagiac is about 8.1 miles northwest.
What is the water temperature at Diamond Lake today?
The surface was about 47°F on the latest clear reading. The page updates every day.
Diamond Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.