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United States

Massachusetts

Middlesex County

Assabet River Dam – Mill Pond loop from Marlborough-Sudbury State Forest

Routes

Bike touring routes & trails

United States

Massachusetts

Middlesex County

Assabet River Dam – Mill Pond loop from Marlborough-Sudbury State Forest

Easy

4.6

(2429)

8,188

riders

Assabet River Dam – Mill Pond loop from Marlborough-Sudbury State Forest

01:35

23.4km

100m

Cycling

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: March 31, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Assabet National Wildlife Refuge

Waypoints

Start point

Parking

Get Directions

5.69 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

8.50 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

10.9 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

11.0 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

12.4 km

Pond View on Assabet River Rail Trail

Highlight • Lake

19.5 km

Pine Point Lot

Nature Reserve

20.4 km

Along the Assabet National Wildlife Refuge

Highlight • Natural

The Assabet River, Oxbow, and Great Meadows are three of the eight refuges that make up the Eastern Massachusetts National Wildlife Refuge complex.

A wide variety of migratory birds, mammals, plants, reptiles and amphibians can be found here.

Tip by

23.4 km

End point

Parking

Way Types & Surfaces

Way Types

10.1 km

6.17 km

5.82 km

1.05 km

175 m

Surfaces

16.1 km

6.68 km

480 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Today

Saturday 6 June

30°C

15°C

28 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Assabet River Dam – Mill Pond loop from Marlborough-Sudbury State Forest

Assabet River Dam

Assabet River Rail Trail

Mill Pond

Mill Pond Footbridge and View

Pond View on Assabet River Rail Trail

Along the Assabet National Wildlife Refuge

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