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Rating depth structure for brook trout.
Shared by DepthScout anglers. Exact spots stay private, always.
1,161-acre lake near Dole Brook Twp. The lake tops out around 104 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. What follows comes from the same scoring engine that paints the spots above.
The outline encloses 1,160 acres, worked by 14.9 miles of shoreline, broken up by 5 islands. That shoreline is heavily fingered (development index 3.1) — bays, points and pockets everywhere, which multiplies the fishable edge. 34% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. The basin spans about 3.7 mi end to end and 1.5 mi across at its widest. It sits in Somerset County. Its nearest charted neighbour, Dingley Pond, is 1 mi to the northwest.
Come spring, look for brook trout tight to the bank in 2 to 15 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 3 to 20 ft. Start at Break off the point. It's a drop-off holding about 30 ft of water and rates prime come summer. Prime time lands in early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Shallow bay flat (4 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (30 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (18 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Shallow bay flat (4 ft) | Small jigging spoon, Tungsten jig + plastic |
In spring, arctic char run shallow here, mostly 4 to 15 ft. Summer pushes them deeper, 20 to 60 ft, and winter fish settle into 10 to 40 ft. Break off the point is the standout, a drop-off at roughly 30 ft, rated prime for summer arctic char. Time it for early morning. You won't need more than a jigging spoon vertical or a tube jig (smelt) most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | midday & dawn | open water | Small casting spoon (silver/orange), Jerkbait (small) |
| Summer | 20 to 60 ft | dawn | Break off the point (30 ft) | Jigging spoon vertical, Tube jig (smelt) |
| Fall | 8 to 30 ft | midday & dusk | Break off the point (30 ft) | Casting spoon (orange/gold), Beadhead streamer |
| Winter | 10 to 40 ft | midday & dawn | Break off the point (30 ft) | Jigging spoon (glow/silver), Tungsten jig + plastic |
Penobscot Lake carries 8 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 95 ft down.
Access data: OpenStreetMap contributors (ODbL) — community-mapped launches. 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 Penobscot Lake specifically, so confirm the current rules before you fish.
Check the official Maine fishing regulations →
Penobscot Lake is about 104 ft (32 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target brook trout, arctic char on Penobscot Lake.
Break off the point is the top-rated area: a drop-off in about 30 ft of water that rates prime for arctic char in summer. Scroll up to the map for the complete spot list by species and season.
For brook 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 Penobscot 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.
Dingley Pond 1 mi · Little Dingley Pond 1 mi · Upper Dingley Pond 2 mi · Big Grenier Pond 3 mi · Cheney Pond 3 mi · Dubois Pond 4 mi · Upper Wellman Pond 4 mi · Mary Petuche Pond 4 mi · Lower Welman Pond 4 mi · Fisher Pond #2 5 mi · Hall Pond 5 mi · Dole Pond 5 mi
See how Penobscot Lake stacks up: best brook trout lakes in Maine · best arctic char lakes in Maine
More water nearby: Somerset County fishing maps (76 charts). Browse all Maine fishing maps or see every water on DepthScout. Bathymetry: published agency survey data. 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.