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

Mountain biking trails

United States

Massachusetts

Middlesex County

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

Moderate

3.3

(23)

riders

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

02:45

49.6km

260m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 2, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Caouette-Simeone Conservation Restriction

Waypoints

Start point

Train Station

Get Directions

6.36 km

Assabet River Pedestrian Bridge

Highlight • Bridge

9.82 km

Bruce Freeman Rail Trail

Highlight (Segment) • Cycleway

Old rail way and now a good bike way. This is an example for reusage of stuff

Tip by

20.3 km

Central Massachusetts Branch

Highlight (Segment) • Cycleway

Kind of bumpy along the old tracks, so make sure that you have a gravel or mountain bike.

Tip by

43.2 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.

Tip by

43.8 km

Thanksgiving Pond

Lake

46.0 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.

Tip by

47.0 km

Pond View on Assabet River Rail Trail

Highlight • Lake

48.4 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 …

Tip by

48.5 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 …

Tip by

49.6 km

End point

Train Station

Way Types & Surfaces

Way Types