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3,132-acre lake near Dedham. The lake tops out around 170 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Species by species, here's what the data says the year looks like.
The drawn water covers 3,143 acres wrapped in 22.3 miles of bank. That shoreline is heavily fingered (development index 2.8) — bays, points and pockets everywhere, which multiplies the fishable edge. About 11% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. End to end it runs roughly 6.1 mi, about 2.1 mi across. Hancock County claims this one. If the bite dies, Beech Hill Pond is 4 mi to the northeast.
Early season rainbow trout use the shallows, holding in 5 to 20 ft. Summer is an 8 to 30 ft game here, winter an 8 to 40 ft one. The chart's best answer is Break off the point — drop-off, 29 ft, prime for winter. Best bite is early morning and the evening. Tie on a dodger + spoon (deep troll) or a flutter spoon and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (16 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (29 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (16 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (29 ft) | Jigging spoon, Tube jig (white) |
Come spring, look for smallmouth bass tight to the bank in 3 to 12 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 20 to 45 ft. Start at Rock reef. It's a rock pile holding about 4 ft of water and rates prime come spring. Prime time lands in early morning and the evening. A drop shot (goby/minnow) or a ned rig is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Rock reef (4 ft) | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (29 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Main-lake point (16 ft) | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Break off the point (29 ft) | Blade bait, Hair jig |
12 pieces of structure are mapped here — Deep basin, around 166 ft, is the deepest of them.
Access data: Maine GeoLibrary — Boat Launches (Maine IF&W / DACF). Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Maine waters are set by the Maine IFW — and special regulations can apply to Green Lake specifically, so confirm the current rules before you fish.
Check the official Maine fishing regulations →
Green Lake is about 170 ft (52 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target rainbow trout, smallmouth bass on Green Lake.
Rock reef is the top-rated area: a rock pile in about 4 ft of water that rates prime for smallmouth bass in spring. The interactive chart above rates every spot for each species and season.
For rainbow trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Green Lake is regulated by the Maine IFW. Check the official Maine regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Beech Hill Pond 4 mi · Branch Lake 4 mi · Phillips Lake 6 mi · Burnt Pond 7 mi · Hatcase Pond 8 mi · Lower Patten Pond 8 mi · Union River 10 mi · Webb Pond 10 mi · Brewer Lake 12 mi · Chemo Pond 13 mi · Molasses Pond 14 mi · Morgan Bay 14 mi
See how Green Lake stacks up: best smallmouth bass lakes in Maine · best rainbow trout lakes in Maine
More water nearby: Hancock County fishing maps (32 charts). Browse all Maine fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.