What is the deepest lake in Maine?

Of the lakes with a published depth, Sebago Lake is the deepest at about 316 ft.

Deepest lakes in Maine: 10 lakes ranked by depth

Which lakes in Maine go deepest? These 10 have a published maximum depth, from Sebago Lake at about 316 ft down.

Deepest first

#	Lake	Deepest	Size
1	Sebago Lake	about 316 ft	30,500 acres
2	Moosehead Lake	about 246 ft	75,500 acres
3	Schoodic Lake	about 188 ft	7,020 acres
4	Chamberlain Lake	about 154 ft	10,900 acres
5	Chesuncook Lake	about 150 ft	25,200 acres
6	Rangeley Lake	about 149 ft	6,300 acres
7	Mooselookmeguntic Lake	about 132 ft	16,300 acres
8	East Grand Lake	about 128 ft	15,900 acres
9	Eagle Lake (Allagash)	about 124 ft	9,550 acres
10	Lake Auburn	about 118 ft	2,260 acres

1. Sebago Lake

At some 30,500 acres, Sebago Lake is a big lake. The fish here are lake trout, smallmouth bass, trout and northern pike. At about 316 ft deep, it stays cooler below the surface well into summer. The lake bed gives you three steep ledges and an upper arm to work.

Sebago Lake today: water temperature, bite times and the 3-D lake bed

2. Moosehead Lake

Moosehead Lake spreads over some 75,500 acres. It holds lake trout, trout and smallmouth bass. It goes down to about 246 ft.

Moosehead Lake today: water temperature, bite times and the 3-D lake bed

3. Schoodic Lake

At some 7,020 acres, Schoodic Lake is a good-sized lake. The lake is near Brownville. It holds lake trout, trout and smallmouth bass. The deepest water is around 188 ft. Its bed shows three steep ledges and an upper arm worth a first look. Schoodic Lake is an unusually deep Maine lake for its size, reaching 188 feet.

Schoodic Lake today: water temperature, bite times and the 3-D lake bed

4. Chamberlain Lake

Chamberlain Lake is a natural lake of 10,900 acres of water. You will find it about 34 miles east of Patten. The fish here are lake trout and trout. It goes down to about 154 ft. The lake bed gives you three point drop-offs and a sheltered cove to work. Chamberlain Lake lies in Maine's North Maine Woods and was re-routed by 19th-century logging dams to send water toward the Penobscot River instead of the Allagash.

Chamberlain Lake today: water temperature, bite times and the 3-D lake bed

5. Chesuncook Lake

Chesuncook Lake covers 25,200 acres. You will find it about 27 miles southeast of Millinocket. Ripogenus Dam holds it on the West Branch Penobscot River. Expect lake trout. It goes down to about 150 ft. Its bed shows three point drop-offs and an upper arm worth a first look. Chesuncook Lake is Maine's third-largest lake, formed by damming the West Branch Penobscot River.

Chesuncook Lake today: water temperature, bite times and the 3-D lake bed

6. Rangeley Lake

Rangeley Lake covers 6,300 acres. It lies about 15 miles southeast of Phillips. The usual Maine mix applies: smallmouth bass, largemouth bass, yellow perch and bluegill. At about 149 ft deep, it stays cooler below the surface well into summer. Its bed shows three point drop-offs and a sheltered cove worth a first look.

Rangeley Lake today: water temperature, bite times and the 3-D lake bed

7. Mooselookmeguntic Lake

Mooselookmeguntic Lake is a natural lake of some 16,300 acres. You will find it about 19 miles east of Phillips. Like most lakes its size in Maine, it should hold smallmouth bass, largemouth bass, yellow perch and bluegill. The deepest water is around 132 ft. Its bed shows four steep ledges worth a first look. Mooselookmeguntic Lake is the sixth-largest lake in Maine and a headwater lake of the Androscoggin River system.

Mooselookmeguntic Lake today: water temperature, bite times and the 3-D lake bed

8. East Grand Lake

East Grand Lake is a natural lake of 15,900 acres. You will find it near Hodgdon. Expect lake trout, trout, smallmouth bass and yellow perch. It goes down to about 128 ft. The lake bed gives you three point drop-offs and an upper arm to work.

East Grand Lake today: water temperature, bite times and the 3-D lake bed

9. Eagle Lake (Allagash)

At 9,550 acres of water, Eagle Lake (Allagash) is a good-sized lake. It lies about 45 miles southeast of Patten. Expect lake trout and trout. The deepest water is around 124 ft. Its bed shows three point drop-offs and a sheltered cove worth a first look. Eagle Lake is the first, largest, and deepest lake along the Allagash Wilderness Waterway in Maine's North Maine Woods.

Eagle Lake (Allagash) today: water temperature, bite times and the 3-D lake bed

10. Lake Auburn

Lake Auburn is a natural lake of some 2,260 acres. It lies near Auburn. It holds lake trout, trout and largemouth bass. The deepest water is around 118 ft. Its bed shows three point drop-offs and two sheltered coves worth a first look. Lake Auburn supplies drinking water to the Lewiston-Auburn area and is closed to swimming and ice fishing to protect water quality.

Lake Auburn today: water temperature, bite times and the 3-D lake bed

Fishing deep water

In summer a deep lake splits into a warm top layer and a cold bottom; fish hold near the line between them, often 20 to 40 ft down. A depth finder, a slow troll or a jig dropped straight down finds them.