5.0
(1)
373
runners
28
runs
Jogging routes in Main Street Wildlife Refuge traverse a diverse landscape featuring a network of trails, including old logging roads and access paths. The region is characterized by unique geological formations such as prominent eskers, serene ponds, and babbling brooks. Runners can experience varied habitats, from open fields and oak savannas to mixed oak forests and pine-covered hillsides. The terrain offers sections with slight inclines and descents, providing a dynamic experience for different running preferences.
Last updated: May 27, 2026
2
runners
3.65km
00:23
20m
20m
Jog the easy Nashua River Rail Trail, a 2.3-mile paved route through diverse scenery, including wetlands, forests, and farmland.
5.0
(1)
23
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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15
runners
8.25km
00:57
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
runners
7.93km
00:49
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Main Street Wildlife Refuge
Paved route through the woods, although best taken at a slow speed to both enjoy the scenery, and accommodate runners, joggers, walkers, and small kids just learning to ride. Save the road racing for out on the roads.
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The Nashua River Rail Trail is a paved trail that was constructed on an old railbed. It is completely traffic free, so it is a great place for a relaxed walk.
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This is the northern terminus of the Nashua River Trail. It runs from this point all the way to Ayer, Massachusetts. The trail passes through J. Harry State Forest and is tree lined for a majority of its trajectory.
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One of the older trails in the state but a great one. Some lovely views of the river at various points
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This paved rail trail winds through a wealth of green space and water bodies. Watch out for unexpected wildlife sightings!
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This stretch of conservation land abuts the Nashua River Rail Trail. You're free to explore the land if you want to hop off your bike, but it's kept in such a natural state that you won't even find maintained trails on it.
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From here all the way south to Ayer, this 12.5 miles trail follows the course of the Nashua River through J. Harry State Forest. Calm and tree-dimmed light make the way a real treat.
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There are over 35 running routes in Main Street Wildlife Refuge, catering to various fitness levels. You'll find 10 easy trails, 19 moderate paths, and 6 more challenging routes for experienced runners.
Yes, dogs are generally permitted on a leash in some areas of the Main Street Wildlife Refuge trails. It's always a good idea to check specific trail regulations before heading out with your furry friend.
The refuge is known for its prominent eskers, which are unique geological formations. You'll also encounter serene ponds, babbling brooks, and diverse habitats ranging from oak savannas and prairie openings to mixed oak forests and pine-covered hillsides. The Dunstable Rural Land Trust actively preserves these varied landscapes.
Yes, you can discover ancient stone walls that crisscross the landscape, some trails even following them. The Main Street Trail also passes by the 'Winterfest' site, an active community space used for events like cross-country skiing.
The area is highly rated by the komoot community, with an average score of 5.0 stars from over 2 reviews. Runners often praise the diverse terrain, from open fields to wooded areas, and the opportunity to experience unique geological features like eskers. The variety of trail lengths and difficulties also makes it appealing to many.
Yes, there are several circular options. For a scenic moderate run, consider the Mill Pond loop from Howe Wildlife Sanctuary, which winds around water features. Another option is the Nashua River Rail Trail – Nashua River Trailhead loop from Open Space, a longer, more challenging route through varied landscapes.
The diverse habitats support a variety of wildlife. You might spot red fox, mink, and opossums in the white pine woods. Birdwatchers can look for thrushes, Baltimore Orioles, Scarlet Tanagers, and Wood Ducks. Osprey and Great Blue Herons have been seen fishing in Russell Pond, and otter signs along brooks.
The trails utilize old logging roads and original access roads, offering generally well-suited surfaces for jogging. Some sections involve slight inclines and descents, providing a good workout. Be aware that certain areas, like parts of the Black Trail, can be wet in the spring.
While specific parking locations are not detailed in the guide, the Dunstable Rural Land Trust focuses on making trails accessible, suggesting designated parking areas are available for visitors to the preserve. It's advisable to check local signage upon arrival.
For a longer and more challenging experience, the Nashua River Rail Trail – Nashua River Rail Trail loop from Terrell Homestead Conservation Area is a difficult 31.1 km (19.3 miles) route that takes approximately 3 hours and 14 minutes to complete.
Yes, for an easy and straightforward path, the Nashua River Rail Trail is a popular choice. It's 3.6 km (2.3 miles) long and takes about 23 minutes, perfect for a quick run.


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