Shared by DepthScout anglers. Exact spots stay private, always.
740-acre reservoir near Massachusetts. 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. Below is the species-by-species picture, pulled from the same data the map uses.
Spring largemouth bass on Hamilton Reservoir hold shallow, usually 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 6 to 20 ft. The spot to know is Shallow bay flat, a weed flat in about 2 ft of water that rates prime for largemouth bass in spring. Plan around early morning and the evening in the warm months. Tie on a texas-rigged 10" worm or a deep-diving crankbait and you're in the game.
| 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 | 6 to 20 ft | midday | Blade bait, Jigging spoon |
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. They move out to 6 to 20 ft in summer and finish the year down in 6 to 20 ft. The spot to know is Back-bay flat, a weed flat in about 4 ft of water that rates prime for yellow perch in spring. Plan around early morning in the warm months. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 6 to 20 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 6 to 20 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 6 to 20 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
In spring, chain pickerel run shallow here, mostly 2 to 10 ft. By summer they slide out to 3 to 15 ft, and by winter most fish are in 5 to 18 ft. Shallow bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring chain pickerel. In summer the feeding windows fall in early morning and the evening. Tie on a weedless spoon + trailer or a buzzbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Inline spinner (silver), Small spoon (red/white) |
| Summer | 3 to 15 ft | dawn & dusk | Weedless spoon + trailer, Buzzbait |
| Fall | 4 to 15 ft | midday & dawn | Jerkbait along weed edges, Spinnerbait |
| Winter | 5 to 18 ft | dawn | Jigging spoon (through ice) |
Spring bluegill on Hamilton Reservoir hold shallow, usually 1 to 6 ft. They move out to 4 to 15 ft in summer and finish the year down in 6 to 20 ft. The spot to know is Shallow bay flat, a weed flat in about 2 ft of water that rates prime for bluegill in spring. Plan around early morning and the evening in the warm months. Summer baits: a small sponge spider (fly) or a micro tube jig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 20 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
How deep is Hamilton Reservoir?
Hamilton Reservoir is about 20 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 Hamilton Reservoir?
Anglers target largemouth bass, bluegill, yellow perch, chain pickerel on Hamilton Reservoir.
Where is the best fishing spot on Hamilton Reservoir?
Shallow bay flat is the top-rated area: a weed flat in about 2 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 Hamilton Reservoir?
For largemouth bass, 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.
Leadmine Pond · Holland Pond · East Brimfield Lake · Long Pond (Sturbridge) · Little Alum Pond · Big Alum Pond
See how Hamilton Reservoir stacks up: best largemouth bass lakes in Massachusetts · best bluegill lakes in Massachusetts · best yellow perch lakes in Massachusetts · best chain pickerel lakes in Massachusetts
Browse all Massachusetts fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.