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Reservoir · Ashland, Middlesex, Massachusetts

Ashland Reservoir

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Location Snapshot

Ashland Reservoir is an eastern Massachusetts impoundment where seasonal trout fishing overlaps an established bass population. The principal supported target is rainbow trout, with largemouth bass providing additional species variety within the same fishery.

Information Only

StrikeTracks does not currently provide a live condition rating for this destination. Destination and fishery information is still available.

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Fishery Profile

Documented species you may encounter at Ashland Reservoir.

High confidenceLast verified: Jul 11, 2026

Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations

Fishery overview

Ashland Reservoir in Ashland holds stocked rainbow trout and established largemouth bass in one reservoir. Rainbow trout are the primary fish and are stocked in spring and fall. Largemouth bass are common and already established. The reservoir covers 173 acres, averages 24 feet, and reaches 50 feet.

Target species

  • Rainbow Trout

    Oncorhynchus mykiss

    Expectation
    Primary
    Population
    Stocked
    Native status
    introduced
    Confidence
    High confidence
    Stocked · Spring, FallSpring, Fall

    Source: MassWildlife

  • Largemouth Bass

    Micropterus nigricans

    Expectation
    Common
    Population
    Established
    Native status
    introduced
    Confidence
    High confidence

    Source: MassWildlife

Fishery characteristics

Composition
Mixed wild and stocked

Best seasons

  • Spring
  • Summer
  • Fall

Common techniques

  • Boat fishing
  • Fly fishing
  • Shore fishing
  • Spinning

Stocking information

Rainbow trout are stocked in Ashland Reservoir in spring and fall.

  • Rainbow Trout

    Stocked · MassWildlife

    Stocked · Spring, Fall

Official sources

Hatch Match

No destination-specific hatch data is currently available.

General fly suggestions

  • Midge larvaGeneral stillwater midge-style family — not a live Chironomidae Hatch claim.
  • Woolly-bugger-style streamerGeneral stillwater streamer family. Not a baitfish or kokanee Hatch event.
  • Ant or beetleGeneral shoreline terrestrial family — not a local Hatch calendar.

These are general fishing suggestions, not a report of insects currently hatching at this destination.

Location and Access

Cataloged lake location

Ashland, Middlesex, Massachusetts

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The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.

Lake Details

Town

Ashland

County

Middlesex

Surface Area

173 acres

Maximum Depth

50 ft

Average Depth

24 ft

Target Species

Trout, Largemouth Bass

Public Access

Public

Boat Launch

Available