Red Line

Easy 1 mile walk. This former railroad bed is level and runs along eskers and wetlands making it an excellent trail for birding. From this trail you can connect to the Esker Trail of the east parcel of Gamlin Crystal Springs.

The Red Line Path extends from Island Pond Road (entrance to The Cronin-Massapoag Conservation Land) to the Cow Pond Road end.

Size: 14 acres

Owner: Groton Conservation Trust

History

This 14-acre parcel, donated by John and Jeremiah Cronin in 1996, includes a stretch of the old Red Line railroad bed. It is part of a larger parcel, Cronin-Massapoag.

Directions

Parking to access the east parcel and its trail, the Gamlin Esker Trail, is at the very end of Cow Pond Brook Rd., past the Town Transfer Station, where there is a road gate.

Map(s)

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Private paths are shown in light gray. Please stay on paths and respect private property on these trails.
 Parking

 Trailhead

Activities & Features

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Nearby Places


Gamlin Crystal Springs Area

Large property with 5 trails. Trails on the East side follow a large esker with multiple ponds. The West Gamlin trails pass by ponds, erratics, and remnants of an old quarry. A favorite for mountain biking. Connections to Red Line, Mason Back 100 and Wharton. Look for a great esker trail on the east side...
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Wharton Plantation

Large parcel with diverse terrain includes eskers, a heron rookery, and kettle ponds. Boombox and Sledgehammer trails are ideal for technical mountain biking. Connects to Gamlin Crystal Springs and Mason Back 100. Look for eskers, kettle ponds, a heron rookery, and old farm walls on the North Loop Primary Trail. On the Baddacook side trail,...
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Difficulty

Easy