River Open — prime stream season

Shawsheen River

Andover / Bedford / Billerica, MA · about 35 min from Somerville (typical, off-peak)

A weeknight river if you live on 93/495.

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 parks and conservation lots along the river. Confirm each lot is public.

Walk in

Short walks from several suburban parks.

Wading

Small, wadeable, brushy. Not wilderness.

Usual window

Right after spring stocking, and cool mornings.

Saturday conditions

N 7 mph around dawn. Fine to go.

Sky: 🌧️ 72° rain
Sun and moon: Rise 5:58 · 🌔 Waxing gibbous · Set 7:38
Wind at dawn: N 7 mph · Slight Chance Rain Showers · 64°F
Wind later: dawn: N 7 mph

10am: NE 9 mph

2pm: NE 9 mph

dusk: NE 6 mph
Flow: 6.4 cfs · 1.95 ft · 5:30 pm · SHAWSHEEN RIVER NEAR WILMINGTON, MA · USGS gauge
Stocking: Last stocked Apr 14, 2026 · spring water · MassWildlife stocking

A setup that belongs here

4-wt, hare's ear, copper john, stimulator.

Notes

Stocked suburban trout stream. Honest, close, and easy to over-love after stocking day.

Mix of public and private. If it is posted, leave.

Maps Call shop

Log this trip

Stays on this phone only. Nobody else sees it.

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

Evening Sun Fly Shop

55 Groton St, Pepperell, MA 01463
Wed–Fri 4–7:30pm, Sat 9am–5pm, Sun 9am–2:30pm

Home shop for the Nissitissit and northern I-495 streams. Evening hours help if you work a day job.

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

Evening Sun — Nissitissit and 495

Pepperell, MA · wade · Ask the shop — evening hours help if you work

Good for: Small fly-only water, northern I-495

Home shop for the Nissitissit. They know who should be on that stretch.