Assabet River Rail Trail – Assabet River Dam loop from South Acton

United States

Massachusetts

Middlesex County

Assabet River Rail Trail – Assabet River Dam loop from South Acton

Easy

3.0

(3)

riders

Assabet River Rail Trail – Assabet River Dam loop from South Acton

01:51

29.4km

140m

Gravel riding

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 27, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Caouette-Simeone Conservation Restriction

Assabet River National Wildlife Refuge

Waypoints

Start point

Train Station

Get Directions

1.11 km

Mill Pond Footbridge and View

Highlight • Bridge

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 …

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1.11 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 …

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2.56 km

Pond View on Assabet River Rail Trail

Highlight • Lake

2.99 km

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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5.77 km

Thanksgiving Pond

Lake

11.7 km

Pine Garden Trail, Assabet National Wildlife Refuge

Highlight • Trail

Lots of trails with old ammunition bunkers (see photos), lakes, and forest. Easy, flat hiking good for any length. Parking is available at multiple locations along the road in the …

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23.1 km

Assabet River Dam

Highlight • Structure

The Assabet is a "working river" and observed from above, it seems to be stapled to the landscape by bridges.

Over its 31-mile route, more than 40 bridges span it.

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