Nashua River Rail Trail Loop
Nashua River Rail Trail Loop
3.1
(29)
80
riders
02:14
48.9km
210m
Road cycling
The Nashua River Rail Trail Loop is a moderate 30.4-mile road cycling route with 704 feet of elevation gain, offering diverse scenery.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
15.8 km
Highlight (Segment) • Cycleway
Tip by
33.0 km
Highlight • Bridge
Tip by
48.9 km
End point
Parking
Way Types & Surfaces
Way Types
20.9 km
13.3 km
13.0 km
1.80 km
Surfaces
30.8 km
18.0 km
233 m
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Elevation
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Monday 25 May
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This route was planned by komoot.
You can find parking at various points along the trail. A popular starting point is in Ayer, Massachusetts, which is also conveniently located near an MBTA commuter rail station. Other access points are available in towns like Groton, Pepperell, and Nashua, New Hampshire.
Yes, the southern end of the trail in Ayer, Massachusetts, is easily accessible via the MBTA commuter rail. Bicycles are permitted on the trains, making it a convenient option for those traveling from Boston.
The trail features a smooth, paved asphalt surface, making it ideal for road bikes. It is notably flat with a gentle grade, with the actual elevation change never exceeding 2%. This consistent, even surface allows for a fast ride without strenuous pedaling.
Absolutely. Due to its paved surface and gentle, flat grade, the trail is considered suitable for cyclists of all ages and abilities, including beginners. It offers an enjoyable and unchallenging ride.
The full loop is approximately 49 km (30 miles) long. Based on an average cycling pace, you can expect to complete the entire loop in about 2 to 2.5 hours of active riding time, not including stops.
You'll traverse a picturesque landscape including wetlands, ponds, woods, swamps, and farmland. The trail offers views of the Nashua River, especially between Pepperell and Groton. Keep an eye out for wildlife such as bald eagles, owls, deer, turkeys, swans, beavers, and herons. During autumn, the deciduous forests provide spectacular fall foliage, while spring and summer offer ample shade.
Yes, the trail follows a former railroad corridor, so you'll see century-old granite mileage markers and old concrete signal bases. Highlights include the Pepperell Covered Bridge and the peaceful Groton School Ghoul Pond, which is a great spot for a rest and photos. In Groton, two underpasses feature colorful murals depicting local history.
The trail is enjoyable throughout the warmer months. Spring and summer offer lush greenery and shade, while autumn provides spectacular fall foliage. The paved surface makes it accessible for much of the year, though winter conditions may vary.
Yes, the Nashua River Rail Trail is generally dog-friendly. However, always ensure your dog is on a leash and that you clean up after them to maintain a pleasant experience for all trail users.
No, there are no permits or entrance fees required to access and use the Nashua River Rail Trail Loop. It is free and open to the public.
Yes, the town of Pepperell, which the trail passes through, offers various places to eat and drink. You'll find options to refuel and relax during your ride.
Yes, the route primarily follows the Nashua River Rail Trail for a significant portion. It also passes through sections of the Nashua Heritage Rail Trail, Groton Tour, and Shepley Steeplechase Trail, among others.