The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 6 come with LakeScope PRO. Full screen
Coffeen Lake
Montgomery County, Illinois · 1,100 acres (1.7 sq mi)
Calm tomorrow morning.
About Coffeen Lake
In Montgomery County, Illinois, Coffeen Lake covers 1,100 acres; it is a reservoir. Coffeen Lake is a man-made lake built in the 1960s that served as a cooling reservoir for a coal power plant until it closed in 2019.
It stretches about 3.9 miles end to end with roughly 16.9 miles of shoreline. At about 590 ft above sea level, it follows the seasons of the region. It reaches about 59 ft at its deepest, with an average depth near 19 ft. Hillsboro lies about 6.5 miles to the northwest.
- Size
- 1,100 acres (1.7 sq mi)
- Deepest
- About 59 ft (average 19 ft)
- Shoreline
- About 16.9 miles
- End to end
- About 3.9 miles
- Elevation
- About 590 ft
- Type
- Reservoir
- County
- Montgomery County
The lake from above
Best fishing times
Friday Fair
- 6:00 am – 8:15 amsunrise
- 3:00 pm – 4:30 pm bestsunset, moon overhead · wind 13 mph
Saturday Good
- 6:00 am – 8:15 amsunrise · wind 7 mph
- 3:00 pm – 5:15 pm bestsunset, moon overhead · wind 3 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Coffeen Lake
Anglers come to Coffeen Lake for largemouth bass, spotted bass, crappie, catfish, bluegill and sunfish, yellow perch and white bass.
- Largemouth bass
- Spotted bass
- Crappie
- Catfish
- Bluegill and sunfish
- Yellow perch
- White bass
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 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
No clear reading right now. Narrow or small lakes often have none; the weather and bite times below still apply.
Water level
No daily level reading for this lake.
Ice
No clear view of the ice yet
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 6:38 am · sunset 4:44 pm · waxing crescent moon (lake time).
Towns and places to stay near Coffeen Lake
- Hillsboroabout 6.5 mi northwest
- Greenvilleabout 9.8 mi south
- Litchfieldabout 14 mi northwest
- Mount Oliveabout 16 mi west
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Questions about Coffeen Lake
What fish are in Coffeen Lake?
Coffeen Lake holds largemouth bass, spotted bass, crappie, catfish, bluegill and sunfish, yellow perch and white bass. Check the state fish and wildlife agency for stocking and limits.
How deep is Coffeen Lake?
About 59 ft at the deepest point, about 19 ft on average. The 3-D view shows where the deep water is.
How big is Coffeen Lake?
1,100 acres, with about 16.9 miles of shoreline.
What town is near Coffeen Lake?
Hillsboro is about 6.5 miles northwest; Greenville is about 9.8 miles south.
Is the water warm enough to swim in Coffeen Lake?
Check the water temperature on this page before you go: under 70°F feels cold to most swimmers, and under 60°F cold-water shock is a real risk.
Coffeen Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
