2.8
(20)
67
hikers
16:34
64.8km
250m
Hiking
Hike the 40.2-mile Nashua River Rail Trail, a difficult route with 813 feet of elevation gain, offering diverse scenery through forests and
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
23.0 km
Highlight • Trail
Tip by
31.4 km
Nashua River Shoreline
Nature Reserve
42.6 km
Moors Schoolhouse
Ruins
43.7 km
Highlight • Lake
Tip by
64.8 km
End point
Parking
Way Types & Surfaces
Way Types
42.3 km
14.0 km
8.37 km
< 100 m
Surfaces
33.4 km
24.3 km
4.20 km
1.34 km
1.19 km
461 m
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Elevation
Highest point (110 m)
Lowest point (50 m)
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Weather
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Tuesday 26 May
29°C
10°C
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This route was planned by komoot.
The trail is notably flat and predominantly paved with asphalt, making it accessible for various users. This consistent, gentle grade is characteristic of rail trails. For those who prefer a different surface, a parallel unpaved equestrian trail exists for about seven miles from Groton to Dunstable, and from Ayer to the New Hampshire state line.
Yes, its flat, paved surface makes it ideal for hikers of all ages and abilities, including beginners, families with strollers, and wheelchair users. The gentle grade ensures an enjoyable experience for everyone.
Parking is available at multiple access points along the trail. The Ayer trailhead is particularly convenient as it's located near a commuter rail station, providing easy access from Boston.
The research indicates the trail is multi-use, accommodating various users. While specific dog rules aren't detailed, most rail trails in Massachusetts allow leashed dogs. It's always best to check local signage for any specific regulations.
The trail offers year-round enjoyment. Spring and summer are ideal for walking and cycling, autumn provides spectacular fall foliage views, and winter transforms it into a great spot for cross-country skiing.
The Nashua River Rail Trail traverses sections of J. Harry Rich State Forest. Generally, Massachusetts State Forests do not require permits or charge entrance fees for day use, but it's always advisable to check the official Massachusetts DCR website for the most current regulations.
The trail offers numerous opportunities to observe wildlife, including beavers, herons, swans, bald eagles, owls, deer, turkeys, and various waterfowl. Beaver lodges can often be spotted in marshy areas.
Beyond its scenic beauty, you can enjoy views of Groton School Pond, known for its abundant fish, turtles, and birds. You'll also find historical remnants of the former Boston and Maine Railroad, such as concrete signal bases and granite mileage markers. Murals depicting local history can be found in underpasses, particularly in Groton, and a replica covered bridge near Pepperell adds to the trail's unique character.
Yes, the route also passes through sections of the Nashua River Rail Trail, Groton Tour, West Groton Tour, South Groton Tour, and Harry's Dark Forest River Trail.
Yes, there are opportunities for refreshments in nearby towns like Groton and Pepperell, which are easily accessible from the trail.
The trail boasts a varied and picturesque landscape, passing through wetlands, ponds, woods, swamps, and farmland. The northern half is largely forested, including sections that run alongside the Nashua River and through J. Harry Rich State Forest. The southern half features agricultural fields, wetlands, and small ponds. Deciduous forests provide shade and spectacular fall foliage.