A Bass Lake in the Winthrop Lakes Region
Annabessacook Lake sits in the Winthrop Lakes Region of central Maine, spread across the towns of Monmouth and Winthrop in Kennebec County just a short drive from Augusta. It covers about 1,420 acres with a maximum depth of around 49 feet and a mean depth near 22 feet, which gives it a good mix of shallow weed beds and deeper water. It is part of the Cobbosseecontee watershed, a cluster of lakes and ponds that drains toward the Kennebec, and it has long been a favorite among bass anglers for its strong fishing.
What draws people here is accessible, productive fishing close to home. This is an all-sports lake, used for boating, swimming, and fishing alike, and its location near Augusta makes it an easy after-work or weekend outing. Largemouth and smallmouth bass are the main attraction, along with white perch and chain pickerel, and the lake’s structure of weed lines, points, and drop-offs keeps the bass fishing interesting through the season.
The shoreline has camps and homes around much of it, so this is a settled central-Maine lake rather than a wilderness one. For paddlers and casual boaters, that means easy access and nearby services rather than solitude.
Reliable all-around spinning setup
Fishing
Annabessacook has a reputation as a quality bass lake, and the fishing is the headline activity. Largemouth bass hold around the weed beds and shoreline cover, while smallmouth work the rockier structure and the deeper edges. The mix of habitat in a lake this size keeps anglers busy, and the bass run to respectable sizes.
White perch and chain pickerel round out the catch and make for steady action when you just want bites. Early morning and evening in summer are the productive windows, when bass come up to feed in the shallows. The lake fishes well from a bass boat, a canoe, or a kayak, and its depth gives fish somewhere to go when the surface heats up.
Work the transitions where weed beds meet open water and along the points. Annabessacook grows good weed cover that holds largemouth, while the smallmouth favor the harder bottom and drop-offs. Hitting both kinds of structure in a single outing is the way to cover the lake’s fishery.
Paddling
At 1,420 acres, Annabessacook is a comfortable lake for paddling without being intimidating. A canoe or kayak can follow the shoreline, slip into the coves, and explore the weedy edges where wildlife gathers. As on any open lake, wind can build a chop on the bigger reaches, so an early start gives you the calmest water.
This is not a remote paddle. Expect boat traffic in summer and developed shoreline, which makes it better suited to a relaxed outing close to town than to a wilderness experience. Loons and other birds use the lake, so bring binoculars.
Swimming
The lake is used for swimming, and the water warms well by midsummer. There is no large public beach, so most swimming happens off private docks and camps. Visitors using the boat launch can find informal shoreline spots but should respect private property around the lake.
Getting There
Annabessacook Lake lies between Monmouth and Winthrop in central Maine, just west of Augusta. From Portland, take I-95 north toward Augusta, then follow Route 202 west toward Winthrop, about an hour and 10 minutes. Public access points serve the lake for launching small boats and paddlecraft.
This is settled country with good cell service and full services in Winthrop and Augusta close by.
When to Visit
Spring
Bass move shallow to spawn, making for active fishing. Cool, quieter water before summer. Blackflies appear by late May.
Summer
Warm water for swimming, easy paddling, and the best bass fishing early and late in the day. The busiest season near Augusta, so go early.
Fall
Foliage around the shoreline and strong fall bass fishing as the water cools and crowds thin.
Winter
Ice fishing for bass and perch once the ice is safe. Access depends on conditions.
Summer is the most popular season, with warm water and good bass fishing. Spring brings active, shallow bass, and fall offers quiet water and strong fishing as the lake cools.
Packing List
Annabessacook Lake Trip
- Canoe or kayak with PFDs
- Maine fishing license
- Tackle for largemouth and smallmouth bass
- Swimsuit and towel
- Sunscreen and a hat
- Bug spray for late spring and early summer
- Water and snacks
- Binoculars for loons and other birds
FAQ
How big is Annabessacook Lake?
Annabessacook covers about 1,420 acres in Monmouth and Winthrop, with a maximum depth near 49 feet and a mean depth around 22 feet.
What fish are in Annabessacook Lake?
The lake holds largemouth and smallmouth bass, white perch, and chain pickerel. It is best known as a quality bass lake in the Winthrop Lakes Region.
Is Annabessacook good for paddling?
Yes. At 1,420 acres it is comfortable for canoes and kayaks along the shoreline and coves, though wind can build a chop on the open reaches, so start early for calm water.
How far is it from Augusta?
It is just west of Augusta between Monmouth and Winthrop, an easy drive of about 20 minutes from the city and roughly an hour and 10 minutes from Portland.
Can you swim in Annabessacook Lake?
Yes, the water warms well by midsummer. There is no large public beach, so most swimming is off private docks and camps; respect private property.
