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Rating depth structure for smallmouth bass.
Shared by DepthScout anglers. Exact spots stay private, always.
1,193-acre lake near Charlotte. The lake tops out around 24 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The season-by-season read for each species follows, from the map's own numbers.
The drawn water covers 1,200 acres wrapped in 10.3 miles of bank. A middling shoreline index (2.1) gives it some bays to work without being a maze. About 68% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. End to end it runs roughly 3.3 mi, about 1.5 mi across. It sits in Washington County. If the bite dies, Round Pond is 2 mi to the northwest.
The spring pattern is a shallow one: brown trout in 3 to 24 ft. The depth story barely changes: 7 to 24 ft through summer, 3 to 24 ft in winter. The spot to know is Creek inflow, an inflow / creek mouth in about 3 ft of water that rates prime for brown trout in spring. Plan around after dark and early morning in the warm months. Summer baits: a spoon at the thermocline or a deep stickbait (night) gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 24 ft | dawn & dusk | Creek inflow (3 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 7 to 24 ft | night & dawn | Break off the point (16 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 4 to 24 ft | dusk & dawn | Moosehorn Brook inflow (5 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 3 to 24 ft | dawn | Creek inflow (3 ft) | Jigging spoon, Small stickbait (slow) |
Spring puts chain pickerel in skinny water — 2 to 10 ft is the zone. Warm water sends them out to 3 to 15 ft; cold water stacks them in 5 to 18 ft. Back-bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring chain pickerel. Plan around early morning and the evening in the warm months. A weedless spoon + trailer or a buzzbait covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Back-bay flat (2 ft) | Inline spinner (silver), Small spoon (red/white) |
| Summer | 3 to 15 ft | dawn & dusk | Back-bay flat (2 ft) | Weedless spoon + trailer, Buzzbait |
| Fall | 4 to 15 ft | midday & dawn | Back-bay flat (2 ft) | Jerkbait along weed edges, Spinnerbait |
| Winter | 5 to 18 ft | dawn | Back-bay flat (2 ft) | Jigging spoon (through ice) |
Early season smallmouth bass use the shallows, holding in 3 to 12 ft. Summer is a 7 to 24 ft game here, winter a 7 to 24 ft one. The chart's best answer is Break off the point — drop-off, 16 ft, prime for winter. Best bite is early morning and the evening. Tie on a drop shot (goby/minnow) or a ned rig and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Creek inflow (3 ft) | Ned rig, Tube jig |
| Summer | 7 to 24 ft | dawn & dusk | Break off the point (16 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 7 to 24 ft | midday & dawn | Break off the point (16 ft) | Jerkbait, Blade bait |
| Winter | 7 to 24 ft | midday | Break off the point (16 ft) | Blade bait, Hair jig |
Come spring, look for brook trout tight to the bank in 2 to 15 ft. Expect a summer slide to 7 to 24 ft, then a winter hold in 3 to 20 ft. Start at Creek inflow. It's an inflow / creek mouth holding about 3 ft of water and rates prime come spring. 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 | Creek inflow (3 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 7 to 24 ft | dawn & dusk | Moosehorn Brook inflow (5 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Creek inflow (3 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Creek inflow (3 ft) | Small jigging spoon, Tungsten jig + plastic |
Early season brown bullhead use the shallows, holding in 2 to 8 ft. Expect a summer slide to 3 to 12 ft, then a winter hold in 7 to 24 ft. Put Deep basin first on the milk run — a deep basin near 24 ft that grades prime for winter. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | Back-bay flat (2 ft) | |
| Summer | 3 to 12 ft | night & dusk | Back-bay flat (2 ft) | |
| Fall | 5 to 15 ft | dusk | Old creek channel (15 ft) | |
| Winter | 7 to 24 ft | midday | Deep basin (24 ft) |
In spring, pumpkinseed run shallow here, mostly 1 to 8 ft. Summer pushes them deeper, 2 to 10 ft, and winter fish settle into 6 to 18 ft. Shallow bay flat is the standout, a weed flat at roughly 1 ft, rated prime for spring pumpkinseed. Time it for the evening and early morning. You won't need more than a micro tube or a sponge spider (fly) most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 8 ft | midday & dusk | Shallow bay flat (1 ft) | Micro jig under a float, Tiny beetle-spin |
| Summer | 2 to 10 ft | dusk & dawn | Back-bay flat (2 ft) | Micro tube, Sponge spider (fly) |
| Fall | 4 to 14 ft | dusk & dawn | Back-bay flat (2 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 18 ft | dawn | Shallow feeding flat (20 ft) | Tungsten ice jig + plastic, Tiny spoon |
Pennamaquan Lake also holds yellow perch (7 to 24 ft in summer). Pick any of them on the map above for rated spots and bait picks.
10 pieces of structure are mapped here — Deep basin, around 24 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 Pennamaquan Lake specifically, so confirm the current rules before you fish.
Check the official Maine fishing regulations →
Pennamaquan Lake is about 24 ft (7 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 brown trout, chain pickerel, smallmouth bass, brook trout, brown bullhead, pumpkinseed, yellow perch on Pennamaquan Lake.
Creek inflow is the top-rated area: an inflow / creek mouth in about 3 ft of water that rates prime for brown trout in spring. The interactive chart above rates every spot for each species and season.
For brown trout, the summer bite is best in after dark and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Pennamaquan 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.
Round Pond 2 mi · Boyden Lake 4 mi · East Bay 7 mi · Meddybemps Lake 9 mi · Cobscook Bay 10 mi · Chamcook Lake 12 mi, NB · Harris Cove 13 mi · Little Chamcook Lake 13 mi, NB · Gibson Lake 14 mi, NB · Rocky Lake 15 mi · Rocky Lake 15 mi · Johnson Bay 15 mi
See how Pennamaquan Lake stacks up: best smallmouth bass lakes in Maine · best yellow perch lakes in Maine · best brown trout lakes in Maine · best brook trout lakes in Maine
More water nearby: Washington County fishing maps (24 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.