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27-acre pond near WEARE. The lake tops out around 20 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.
The outline encloses 27 acres, worked by 0.9 miles of shoreline. Its 1.3 shoreline index means few bank features; the contours below do the pattern work. 44% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. End to end it runs roughly 0.4 mi, about 0.2 mi across. Hillsborough County claims this one. If the bite dies, Everett Lake is 4 mi to the northeast.
Spring brook trout on MOUNT WILLIAM POND hold shallow, usually 2 to 15 ft. They move out to 6 to 20 ft in summer and finish the year down in 3 to 20 ft. Put Deep basin first on the milk run — a deep basin near 20 ft that grades prime for summer. The feeding windows run early morning and the evening. The summer box starts with a small spoon fished deep or a trolled lake-clear wobbler + worm.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Shallow bay flat (5 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 | open water | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Deep basin (20 ft) | Small jigging spoon, Tungsten jig + plastic |
Early season rainbow trout use the shallows, holding in 5 to 20 ft. Even in summer they hold at 5 to 20 ft; winter keeps them in 4 to 20 ft. The chart's best answer is Deep basin — deep basin, 20 ft, prime for winter. Best bite is early morning and the evening. Tie on a dodger + spoon (deep troll) or a flutter spoon and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Shallow bay flat (5 ft) | Inline spinner (silver), Small spoon |
| Summer | 5 to 20 ft | dawn & dusk | Deep basin (20 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 6 to 20 ft | dawn & dusk | Deep basin (20 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 4 to 20 ft | dawn | Deep basin (20 ft) | Jigging spoon, Tube jig (white) |
Come spring, look for smallmouth bass tight to the bank in 3 to 12 ft. Expect a summer slide to 6 to 20 ft, then a winter hold in 6 to 20 ft. Start at Deep basin. It's a deep basin holding about 20 ft of water and rates good come winter. Prime time lands in early morning and the evening. A drop shot (goby/minnow) or a ned rig is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | open water | Ned rig, Tube jig |
| Summer | 6 to 20 ft | dawn & dusk | open water | Drop shot (goby/minnow), Ned rig |
| Fall | 6 to 20 ft | midday & dawn | open water | Jerkbait, Blade bait |
| Winter | 6 to 20 ft | midday | Deep basin (20 ft) | Blade bait, Hair jig |
When the water first warms, largemouth bass slide up into 2 to 10 ft. By summer they slide out to 8 to 20 ft, and by winter most fish are in 6 to 20 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 5 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Keep a texas-rigged 10" worm or a deep-diving crankbait rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shallow bay flat (5 ft) | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Back-bay flat (6 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Shallow bay flat (5 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 6 to 20 ft | midday | Deep basin (20 ft) | Blade bait, Jigging spoon |
MOUNT WILLIAM POND carries 3 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 20 ft down.
Access data: New Hampshire Fish & Game — Public Access Sites. Confirm conditions and fees locally before you launch.
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 MOUNT WILLIAM POND specifically, so confirm the current rules before you fish.
Check the official New Hampshire fishing regulations →
MOUNT WILLIAM POND is about 20 ft (6 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, rainbow trout, smallmouth bass, largemouth bass on MOUNT WILLIAM POND.
Shallow bay flat is the top-rated area: a weed flat in about 5 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.
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 MOUNT WILLIAM POND 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.
Everett Lake 4 mi · FERRIN POND 4 mi · Gorham Pond 4 mi · Pleasant Pond 6 mi · Long Pond 6 mi · SHATTUCK POND 6 mi · Craney Pond 6 mi · DUDLEY POND 6 mi · Haunted Lake 6 mi · Deering Reservoir 7 mi · Pleasant Pond 7 mi · Kimball Pond 7 mi
See how MOUNT WILLIAM POND stacks up: best largemouth bass lakes in New Hampshire · best smallmouth bass lakes in New Hampshire · best rainbow trout lakes in New Hampshire · best brook trout lakes in New Hampshire
More water nearby: Hillsborough County fishing maps (58 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.