Local Waters

← Around Greenfield

River Open — prime stream season

Green River (Mount Hope Park)

Williamstown, MA · about 60 min from Greenfield (typical, off-peak)

The Hoosic-tributary Green River Berkshire fly fishers mean — town park lot, not the Colrain WMA already in the catalog.

Salt River / stream Lake / pond Shop (desk) Guide only Parking Stay State access Private — ask first

Season
General-law trout streams are in the main season. Bag limits change after Sep 10. MassWildlife is the source of truth. Official rule
License
Massachusetts freshwater license
Park
Town of Williamstown Mount Hope Park dirt lot on Hopper Road, just after the stone bridge over the Green River. MassWildlife Green River WMA also has a grassy pull-off on New Ashford Road.
Walk in
A minute from the Hopper Road lot to the Green and Hopper Brook confluence.
Wading
Pocket water and carved pools. Slippery ledge.
Usual window
Spring through early summer. After a rain it blows out. Confirm MassWildlife / DMF.
Friday conditions

Wind ? mph.

Sky
🌧️ 76° rain
Sun and moon
Rise 6:12 · 🌕 Full moon · Set 7:36
Wind at dawn
0 mph · Chance Rain Showers · 64°F
Wind later
  • dawn: 0 mph
  • 10am: S 5 mph
  • 2pm: S 10 mph
  • dusk: S 5 mph
Flow
27 cfs · in a wadable band · 1.71 ft · 12:15 pm · Green River at Williamstown · USGS gauge · wadable band is a sketch, not a safety rating
Stocking
Last stocked Apr 16, 2026 · spring water · MassWildlife stocking
A setup that belongs here
4- or 5-wt, nymphs, dries, small streamers.
Notes
Town park plus MassWildlife WMA parcels. Stocked and wild trout. Confirm MassWildlife / DMF.

Do not block the Hopper Road bridge or farm gates.

Maps Call shop

Log this trip

Private. On this phone, and in your test book if you signed in on Journal.

? mph · Chance Rain Showers · 27 cfs good · Last stocked Apr 16, 2026

How did it go

Pictures only — no video.

Opens a map. Locate finds you, then tap to drop or drag the pin. Private — not the public map.

Shops

Concord Outfitters

113 Commonwealth Ave, Concord, MA 01742
Mon–Fri 10am–6pm (confirm before you go)

The MetroWest / Concord River shop. Call before a first trip on the Concord or Sudbury.

Call Website

Guides

Shop desks, plus a few independents who fish public water. We do not take a cut. Call them.

Concord Outfitters — book a day

Concord, MA · wade / shore · Half or full day — ask the shop

Good for: MetroWest rivers and ponds, first local trout day

Shop desk, not a scraped independent. Call them; they put you with someone they trust.

Call the shop Website

If this isn’t the day