River Open — prime stream season

Green River (Colrain WMA)

Colrain, MA · about 15 min from Greenfield (typical, off-peak)

The Deerfield-tributary Green River a western Mass fly fisher expects. Named WMA lot, not a covered-bridge rumor.

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

MassWildlife Green River WMA dirt lot on South Green River Road, Colrain (four to six cars, west side of the road). Do not park on the travel lane.

Walk in

Short drop from the signed WMA pull-off to the public bank.

Wading

Wadeable wild-trout water in normal flow. Slippery ledge. Private land between parcels — stay on the WMA.

Usual window

Spring through early summer. After a rain it blows out fast.

Thursday conditions

Skinny water. W 1 mph around dawn. Fine to go.

Sky: ⛅ 82° partly
Sun and moon: Rise 6:09 · 🌕 Full moon · Set 7:35
Wind at dawn: W 1 mph · Partly Cloudy · 46°F
Wind later: dawn: W 1 mph

10am: 0 mph

2pm: N 1 mph

dusk: NW 5 mph
Flow: 14 cfs · skinny · 2.57 ft · -1799966°F water · 7:00 pm · Green River near Colrain · USGS gauge · wadable band is a sketch, not a safety rating
Stocking: Last stocked Apr 16, 2026 · both water · MassWildlife stocking

A setup that belongs here

4- or 5-wt, nymphs, dries, small streamers.

Notes

MassWildlife WMA parcels in Colrain / Greenfield / Leyden. Stocked and wild trout. Confirm MassWildlife / DMF.

Tiny lot. Illegal roadside parking is how this place gets posted. If the lot is full, leave.

Maps Call shop

Log this trip

Stays on this phone only. Nobody else sees it.

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

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

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