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Running trails & routes

United States

Massachusetts

Middlesex County

Assabet River Rail Trail – Mill Pond loop from Caouette-Simeone Conservation Restriction

Routes

Running trails & routes

United States

Massachusetts

Middlesex County

Assabet River Rail Trail – Mill Pond loop from Caouette-Simeone Conservation Restriction

Moderate

4.5

(5469)

8,111

runners

Assabet River Rail Trail – Mill Pond loop from Caouette-Simeone Conservation Restriction

00:53

8.47km

50m

Running

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 20, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Caouette-Simeone Conservation Restriction

Waypoints

Start point

Parking

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983 m

Pond View on Assabet River Rail Trail

Highlight • Lake

3.71 km

Assabet River Rail Trail

Highlight (Segment) • Cycleway

The Assabet River Rail Trail is a cool 8.6-mile, asphalt-surfaced trail that connects the five old mill towns of Marlborough, Hudson, Stow, Maynard, and Acton. A further four or so miles are planned to be added to this scenic trail.

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6.16 km

Mill Pond

Highlight • Lake

There is a footbridge that crosses over Mill Pond and offers views from both sides of the bridge. The reservoir is sometimes referred to as Fort Pond Brook Reservoir because of the stream that feeds it, but the official name is Mill Pond.

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