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Rating depth structure for brook trout.
Shared by DepthScout anglers. Exact spots stay private, always.
1,002-acre lake near Sinclair Township. The lake tops out around 20 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Every species below gets its seasonal read from the same numbers driving the chart.
Drawn out, this is 1,001 acres of water rimmed by 7.2 miles of bank. The shoreline is moderately structured (index 1.6) — enough points and pockets to pattern. 79% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. End to end it runs roughly 2.3 mi, about 1.3 mi across. You'll find it in Aroostook County. For a second option, Cross Lake lies 4 mi southwest.
In spring, brook trout run shallow here, mostly 2 to 15 ft. Summer pushes them deeper, 6 to 20 ft, and winter fish settle into 3 to 20 ft. Deep basin is the standout, a deep basin at roughly 20 ft, rated prime for summer brook trout. Time it for early morning and the evening. You won't need more than a small spoon fished deep or a trolled lake-clear wobbler + worm most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (4 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 6 to 20 ft | dawn & dusk | Deep basin (20 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (4 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Deep basin (20 ft) | Small jigging spoon, Tungsten jig + plastic |
Spring puts landlocked salmon in skinny water — 1 to 15 ft is the zone. As the season builds they drop to 6 to 20 ft, wintering in 5 to 20 ft. Summer landlocked salmon concentrate at Deep basin, a prime-rated deep basin around 20 ft. Warm-month bites cluster around early morning and the evening. A dodger + streamer down deep or a thin spoon on lead core covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 15 ft | dawn & dusk | Main-lake point (4 ft) | Streamer flies (Grey Ghost) off boards, Thin spoon (Mooselook style) |
| Summer | 6 to 20 ft | dawn & dusk | Deep basin (20 ft) | Dodger + streamer down deep, Thin spoon on lead core |
| Fall | 3 to 20 ft | dawn & dusk | Main-lake point (4 ft) | Casting spoon at the mouths, Streamers |
| Winter | 5 to 20 ft | dawn | Deep basin (20 ft) | Small jigging spoon, Swedish pimple + smelt |
In spring, brown bullhead run shallow here, mostly 2 to 8 ft. Midsummer fish sit out in 3 to 12 ft before dropping to 6 to 20 ft for winter. Winter brown bullhead concentrate at Deep basin, a prime-rated deep basin around 20 ft. Fish it in after dark and the evening and you'll meet the bite.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | Shallow bay flat (2 ft) | |
| Summer | 3 to 12 ft | night & dusk | Shallow bay flat (2 ft) | |
| Fall | 5 to 15 ft | dusk | Shallow feeding flat (16 ft) | |
| Winter | 6 to 20 ft | midday | Deep basin (20 ft) |
The chart marks 7 structure features on Mud Lake; the deepest is Deep basin at about 20 ft.
Season dates, license requirements, and size and bag limits for Maine waters are set by the Maine IFW — and special regulations can apply to Mud Lake specifically, so confirm the current rules before you fish.
Check the official Maine fishing regulations →
Mud Lake is about 20 ft (6 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, landlocked salmon, brown bullhead on Mud Lake.
Deep basin is the top-rated area: a deep basin in about 20 ft of water that rates prime for landlocked salmon in summer. Every other rated spot, per species and season, is on the map above.
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 Mud 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.
Cross Lake 4 mi · Carry Pond 5 mi · Long Lake 5 mi · Square Lake 8 mi · Bourgoin Lake 8 mi · Black Lake 9 mi · Eagle Lake 11 mi · Second Sly Brook Lake 11 mi · First Sly Brook Lake 12 mi · Blake Lake 12 mi · Mc Clusky Lake 17 mi · Quisibis Lake 17 mi, NB
See how Mud Lake stacks up: best brook trout lakes in Maine · best landlocked salmon lakes in Maine · best brown bullhead lakes in Maine
More water nearby: Aroostook County fishing maps (85 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.