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Fishing Square Pond: what the data says
877-acre lake near Shapleigh. The lake tops out around 45 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. Below is the species-by-species picture, pulled from the same data the map uses.
Brown Trout fishing at Square Pond
Start shallow in spring: brown trout sit in 3 to 25 ft that time of year. Summer pushes them deeper, 14 to 45 ft, and winter fish settle into 5 to 35 ft. The spot to know is Break off the point, a drop-off in about 24 ft of water that rates prime for brown trout in summer. In summer the feeding windows fall in after dark and early morning. Tie on a spoon at the thermocline or a deep stickbait (night) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 14 to 45 ft | night & dawn | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 35 ft | dawn | Jigging spoon, Small stickbait (slow) |
Largemouth Bass fishing at Square Pond
Spring largemouth bass on Square Pond hold shallow, usually 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 15 to 35 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Plan around early morning and the evening in the warm months. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Blade bait, Jigging spoon |
Smallmouth Bass fishing at Square Pond
Start shallow in spring: smallmouth bass sit in 3 to 12 ft that time of year. By summer they slide out to 10 to 30 ft, and by winter most fish are in 20 to 45 ft. If you only fish one area, make it Break off the point: a drop-off around 24 ft that scores prime in winter. In summer the feeding windows fall in early morning and the evening. A drop shot (goby/minnow) or a ned rig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Blade bait, Hair jig |
White Perch fishing at Square Pond
Start shallow in spring: white perch sit in 4 to 15 ft that time of year. Summer pushes them deeper, 15 to 40 ft, and winter fish settle into 14 to 45 ft. The spot to know is Deep basin, a deep basin in about 44 ft of water that rates prime for white perch in fall. In summer the feeding windows fall in early morning. Tie on a small spinner rig drifted or a 1/8 oz jigging spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk | Small jig + curly tail, Inline spinner (silver) |
| Summer | 15 to 40 ft | dawn | Small spinner rig drifted, 1/8 oz jigging spoon |
| Fall | 15 to 45 ft | midday | Jigging spoon (small), Blade bait |
| Winter | 14 to 45 ft | dusk | Small rattle spoon, Tungsten + spikes |
Brown Bullhead fishing at Square Pond
Spring brown bullhead on Square Pond hold shallow, usually 2 to 8 ft. Summer pushes them deeper, 3 to 12 ft, and winter fish settle into 10 to 25 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Plan around after dark and the evening in the warm months.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | |
| Summer | 3 to 12 ft | night & dusk | |
| Fall | 5 to 15 ft | dusk | |
| Winter | 10 to 25 ft | midday |
Pumpkinseed fishing at Square Pond
In spring, pumpkinseed run shallow here, mostly 1 to 8 ft. They move out to 2 to 10 ft in summer and finish the year down in 6 to 18 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Best bite is the evening and early morning. Summer baits: a micro tube or a sponge spider (fly) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 8 ft | midday & dusk | Micro jig under a float, Tiny beetle-spin |
| Summer | 2 to 10 ft | dusk & dawn | Micro tube, Sponge spider (fly) |
| Fall | 4 to 14 ft | dusk & dawn | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 18 ft | dawn | Tungsten ice jig + plastic, Tiny spoon |
Square Pond also holds yellow perch (10 to 30 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 44 ft
- Old creek channel: creek channel, around 26 ft
- Break off the point: drop-off, around 24 ft
- Back-bay flat: weed flat, around 8 ft
- Secondary point: point, around 7 ft
- Main-lake point: point, around 6 ft
- Shallow bay flat: weed flat, around 3 ft
Common questions
How deep is Square Pond?
Square Pond is about 45 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Square Pond?
Anglers target largemouth bass, smallmouth bass, yellow perch, brown trout, white perch, pumpkinseed, brown bullhead on Square Pond.
Where is the best fishing spot on Square Pond?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Square Pond?
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.
Nearby waters
Mousam Lake · Little Ossipee Lake · Shaker Pond · Sand Pond · Sebago Lake · Lovewell Pond
See how Square Pond stacks up: best largemouth bass lakes in Maine · best smallmouth bass lakes in Maine · best yellow perch lakes in Maine · best brown trout lakes in Maine
Browse all Maine fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.