Middlesex County · stream · order 5 river · ~129 cfs typical
Squannacook River
Stocked 9× on record · MassWildlife
Squannacook River is a stream in Middlesex County, Massachusetts, stocked with Brook Trout, Brown Trout and Rainbow Trout — most recently on May 8, 2026. FishableWaters aggregates every stocking record for this water from MassWildlife; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Rain
76°
64°
10 mph
41%
Fri
Overcast
82°
61°
7 mph
16%
Sat
Overcast
90°
64°
10 mph
2%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| May 8 | Brown Trout | — | ||
| May 8 | Brook Trout | — | ||
| May 8 | Brown Trout | — | ||
| May 8 | Brown Trout | — | ||
| May 8 | Brook Trout | — | ||
| May 8 | Brook Trout | — | ||
| Apr 9 | Rainbow Trout | — | ||
| Apr 9 | Rainbow Trout | — | ||
| Apr 9 | Rainbow Trout | — | ||
When does Squannacook River get stocked?
Going by 9 records since 2026, stocking here peaks in May.
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
All Massachusetts waters with brook trout → · All Massachusetts waters with brown trout →
Nearby waters
- Mulpus Brook0.5 mistocked Apr 24, 2026
- Dead River0.6 mi
- Nonacoicus Brook1.3 mi
- Squannacook River Reservoir1.8 mi
- Plow Shop Pond2.0 mi
- Nashua River Reservoir2.1 mi
- Groton School Pond1.7 mi
- School House Pond2.2 mi
Seasons, limits, and rules are the state's call — check the official MA regulations and buy your license before you go. We link the source; we never restate the rules.
Squannacook River fishing — FAQ
What fish are stocked in Squannacook River?+
Squannacook River is stocked with Brook Trout, Brown Trout and Rainbow Trout in Middlesex County, Massachusetts, most recently on May 8, 2026 by MassWildlife. The full stocking ledger is on this page.
When does Squannacook River get stocked?+
Going by 9 records since 2026, stocking at Squannacook River peaks in May. Check this page for the season's scheduled and most recent stockings.
Do I need a license to fish Squannacook River?+
Yes — Massachusetts requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Squannacook River?+
Squannacook River is a stream in Middlesex County, Massachusetts. Driving directions and an interactive topo map are on this page.
Data: MassWildlife · updated May 8, 2026 · checked daily · we publish what agencies publish, nothing else.