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Callahan State Park (entrance) – Sudbury Reservoir loop from Overly Conservation Restriction

Routes

Bike touring routes & trails

Callahan State Park (entrance) – Sudbury Reservoir loop from Overly Conservation Restriction

Easy

3.4

(2)

riders

Callahan State Park (entrance) – Sudbury Reservoir loop from Overly Conservation Restriction

01:02

17.3km

130m

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: April 22, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Sudbury Dam Historic District

Waypoints

Start point

Parking

Get Directions

883 m

Callahan State Park (entrance)

Highlight • Rest Area

The Red Tail Trail in front of you is one of the entrances to Callahan State Park. This Park offers you magnificent paths and the nature of New England in all its magnificence.

Tip by

6.63 km

Sudbury Reservoir

Highlight • Lake

The Sudbury Reservoir is about 5,000 acres in size and is the emergency backup water supply for Boston. It has numerous large brooks running into it, numerous islands, and is …

Tip by

10.2 km

View of Marlborough Brook and Sudbury Reservoir

Highlight • Viewpoint

The views out over both arms of Marlborough Brook here are super nice as you go over the bridge. The brook runs into, and is really a part of Sudbury …

Tip by

13.8 km

Parmenter Street

Highlight (Segment) • Cycleway

Parmeter Street is a quiet street that borders Pine Hill and the surrounding area on the eastern side of the Sudbury Reservoir.

Tip by

16.8 km

Eastleigh Farm

Highlight • Settlement

look to the right for cows, you can also stop for ice cream.

Tip by

17.3 km

End point

Parking

Way Types & Surfaces

Way Types

17.0 km

145 m

108 m

Surfaces

17.0 km

145 m

108 m

Elevation

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

Highest point (110 m)

Lowest point (60 m)

Weather

Today

Sunday 7 June

27°C

14°C

73 %

Additional weather tips

Max wind speed: 22.0 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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Callahan State Park (entrance) – Sudbury Reservoir loop from Overly Conservation Restriction

Callahan State Park (entrance)

Sudbury Reservoir

View of Marlborough Brook and Sudbury Reservoir

Parmenter Street

Eastleigh Farm

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