Massachusetts trout fishing is built on cold water released from dams. The two rivers that matter most, the Deerfield and the Swift, are tailwaters that hold trout through the summer heat and fish all year. The Swift River below Quabbin Reservoir is the most technical public trout water in New England, a short, clear, flat river full of rainbows that have seen every fly sold in the state.
The two rivers that matter most, the Deerfield and the Swift, are tailwaters that hold trout through the summer heat and fish all year.
The Swift's catch-and-release section at Bondsville is where Massachusetts anglers learn to fish small. The rainbows pod up in plain sight and feed on midges and tiny mayflies in flat water that shows them everything. A size 24 midge pupa on a long fine leader is a normal rig here, and refusals are part of the deal. The river fishes in January as well as it does in June, which makes it the state's winter classroom.
The Deerfield River is the bigger water. Its Fife Brook section runs cold all summer on releases from the Fife Brook Dam, holding rainbows and browns that take dry-dropper rigs along the seams and pocket water of the Mohawk Trail corridor. The Westfield River's branches add wild brook trout in the Berkshire hills, and the Housatonic crosses in from Connecticut with more fine trout water. Coastal anglers get a second season entirely: striped bass on the flats and estuaries from May through October.
The best trout fishing runs from April through June and again from September through November. The Swift is the answer when everything else is too warm or too cold. Striped bass arrive in May and stay into October. Winter fishing belongs to the Swift and the Deerfield's catch-and-release water.