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13-acre lake near PITTSBURG. The lake tops out around 5 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.
BIG BROOK BOG maps at 13 acres behind 0.6 miles of shoreline. A shoreline index of 1.2 says round and simple: fish relate to depth changes here, not shoreline features. Every acre of it sits shallower than ~15 ft: one big littoral zone, cover and forage throughout. Call it 0.3 mi long. Coos County claims this one. Coon Brook Bog sits 1 mi east — the closest neighbouring chart.
When the water first warms, brook trout slide up into 1 to 5 ft. There's no big seasonal slide here — summer means 2 to 5 ft, winter 1 to 5 ft. Start at Deep basin. It's a deep basin holding about 5 ft of water and rates prime come summer. The feeding windows run early morning and the evening. Keep a small spoon fished deep or a trolled lake-clear wobbler + worm rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 5 ft | dawn & dusk | Shallow bay flat (3 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 2 to 5 ft | dawn & dusk | Deep basin (5 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 1 to 5 ft | midday & dawn | open water | Small spoon (orange), Spinner |
| Winter | 1 to 5 ft | dawn | Deep basin (5 ft) | Small jigging spoon, Tungsten jig + plastic |
3 pieces of structure are mapped here — Deep basin, around 5 ft, is the deepest of them.
Access data: New Hampshire Fish & Game — Public Access Sites. Confirm conditions and fees locally before you launch.
| Date | Species | Count | Size |
|---|---|---|---|
| May 28 | Brook Trout | 750 | — |
Source: NH Fish & Game stocking report, retrieved 2026-08-18.
Season dates, license requirements, and size and bag limits for New Hampshire waters are set by the New Hampshire Fish and Game — and special regulations can apply to BIG BROOK BOG specifically, so confirm the current rules before you fish.
Check the official New Hampshire fishing regulations →
BIG BROOK BOG is about 5 ft (2 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 brook trout on BIG BROOK BOG.
Deep basin is the top-rated area: a deep basin in about 5 ft of water that rates prime for brook trout in summer. The interactive chart above rates every spot for each 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.
Yes — per NH Fish & Game stocking report records, BIG BROOK BOG was most recently stocked May 28 with 750 brook trout. The full stocking history is listed above.
Fishing on BIG BROOK BOG is regulated by the New Hampshire Fish and Game. Check the official New Hampshire regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Coon Brook Bog 1 mi · Second Ct Lake 3 mi · Round Pond 3 mi · First Connecticut Lake 5 mi · Third Connecticut Lake 5 mi · Back Lake 8 mi · Lake Francis 10 mi · BOUNDARY POND 10 mi · Rump Pond 11 mi, ME · Parmachenee Lake 12 mi, ME · Otter Pond 12 mi, ME · Upper Black Pond 14 mi, ME
See how BIG BROOK BOG stacks up: best brook trout lakes in New Hampshire
More water nearby: Coos County fishing maps (40 charts). Browse all New Hampshire 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.