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 4 come with LakeScope PRO. Full screen
Chesuncook Lake
Piscataquis County, Maine · 25,200 acres (39.3 sq mi)
43°F water, calm this morning.
About Chesuncook Lake
Chesuncook Lake spreads over 25,200 acres in Piscataquis County, Maine. Ripogenus Dam holds it back on the West Branch Penobscot River. Chesuncook Lake is Maine's third-largest lake, formed by damming the West Branch Penobscot River.
From end to end it runs about 24.9 miles with roughly 128 miles of shoreline. At about 940 ft above sea level, it follows the seasons of the region. The deepest water is about 150 ft, with an average depth near 40 ft. The nearest town, Millinocket, is about 27 miles southeast.
- Size
- 25,200 acres (39.3 sq mi)
- Deepest
- About 150 ft (average 40 ft)
- Shoreline
- About 128 miles
- End to end
- About 24.9 miles
- Elevation
- About 940 ft
- Type
- Reservoir
- Dam
- Ripogenus Dam, West Branch Penobscot River
- County
- Piscataquis County
The lake from above
Best fishing times
Friday Good
- 6:00 am – 8:15 amsunrise
- 2:30 pm – 4:15 pm bestsunset, moon overhead · wind 6 mph
Saturday Good
- 6:00 am – 8:15 amsunrise · wind 2 mph
- 2:45 pm – 4:45 pm bestsunset, moon overhead · wind 6 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Chesuncook Lake
The fish here: lake trout. At 43°F on the surface right now, here is how each one should behave.
- GoodLake trout
Cool surface. They come shallower; try shore points.
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
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 6:35 am · sunset 4:07 pm · waxing crescent moon (lake time).
Towns and places to stay near Chesuncook Lake
- Millinocketabout 27 mi southeast
- Greenvilleabout 29 mi south
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Chesuncook Lake
What fish are in Chesuncook Lake?
Chesuncook Lake holds lake trout. Check the state fish and wildlife agency for stocking and limits.
How deep is Chesuncook Lake?
About 150 ft at the deepest point, about 40 ft on average. The 3-D view shows where the deep water is.
How big is Chesuncook Lake?
25,200 acres, with about 128 miles of shoreline.
What town is near Chesuncook Lake?
Millinocket is about 27 miles southeast; Greenville is about 29 miles south.
What is the water temperature at Chesuncook Lake today?
The surface was about 43°F on the latest clear reading. The page updates every day.
Chesuncook Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.