5.0
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If you have ever tried to plan jogging in J. Harry Rich State Forest, you know how overwhelming the options can be. With so many trails winding through the woodlands and along the river, it's tough to figure out which routes are genuinely worth your time and effort. We get it; sifting through countless maps to find the real gems can feel like a workout before you even hit the trail.
That's where we come in. Our komoot community has…
Last updated: June 1, 2026
6
runners
6.56km
00:43
60m
60m
The Running loop from Shepley Hill offers a refreshing escape into 75 wooded acres, providing a diverse and engaging experience for joggers. You'll navigate a nice wooded path that traverses…
3
runners
9.79km
01:01
60m
60m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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6
runners
7.93km
00:49
20m
20m
The Nashua River Rail Trail loop from Pepperell offers a smooth and scenic jogging experience, perfect for those seeking best trails near Pepperell MA for running. You'll glide along a…
3
runners
8.23km
00:51
50m
50m
The Running loop from Groton offers a refreshing journey through the diverse natural settings that define the region. You'll find yourself on well-marked paths, experiencing a mix of coastal views,…
13
runners
15.4km
01:36
80m
80m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around J. Harry Rich State Forest
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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There is a nice, new, and large parking lot at the Ayer end. It crosses a few busy roads, so be aware of this if you bring young kids.
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J. Harry Rich State Forest offers a wide selection of running routes, with 26 different tours available. These routes cater to various preferences, including 3 easy, 16 moderate, and 7 difficult options, ensuring there's a suitable path for every runner.
The forest features diverse terrain, from tranquil wetlands to picturesque woodlands, with a generally gently sloping topography. You'll find a mix of wide dirt roads and some single-track trails. The Nashua River Rail Trail, which abuts the forest, is particularly known for its level 2% grade, making it very accessible for running.
Yes, J. Harry Rich State Forest has 3 easy running routes, which are often suitable for families or those looking for a less strenuous jog. The Nashua River Rail Trail, with its accessible and level surface, is an excellent choice for an introductory run, even for a quarter-mile to a scenic picnic site.
While the guide data does not specify dog rules, generally, state forests in Massachusetts allow leashed dogs on trails. It's always best to check the official Department of Conservation and Recreation (DCR) website for J. Harry Rich State Forest for specific regulations regarding dogs, including leash requirements and any restricted areas, to ensure a pleasant experience for everyone.
Yes, many of the routes in J. Harry Rich State Forest are designed as loops. For example, the Cady Pond – Angus Acre loop from Groton is a popular moderate 9.8 km path that winds through woodlands, offering a complete circular experience.
Runners can enjoy stunning riverside views along the Nashua River, which borders the western edge of the forest. The area is also characterized by towering white pine stands and lush greenery, creating a refreshing environment. Keep an eye out for diverse ecosystems, including wetlands, which support a rich array of wildlife.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the diverse landscapes, from tranquil wetlands to picturesque woodlands, and the extensive network of trails that cater to various skill levels. The scenic riverside views along the Nashua River are also a frequently mentioned highlight.
Absolutely. For those seeking a greater challenge, J. Harry Rich State Forest offers 7 difficult running routes. A notable option is the Nashua River Rail Trail – Nashua River Rail Trail loop from Pepperell, a demanding 17.0 km trail with scenic riverside views.
While specific parking locations are not detailed in the guide, state forests typically provide designated parking areas for trail access. Given the popularity of the Nashua River Rail Trail, there are likely accessible parking spots near its entry points that connect to the forest's trail network. It's advisable to check DCR resources for official parking information.
The forest's lush greenery and shaded environment make it appealing for running during warmer months. However, the diverse ecosystems and natural beauty offer a compelling experience year-round. Fall brings vibrant foliage, while spring offers fresh growth. Always consider checking local weather conditions before your run.
Yes, the Nashua River is a prominent feature of the forest, and several routes offer beautiful riverside views. The Nashua River Shoreline loop from Groton is a difficult 15.4 km route that specifically follows the river, providing a scenic experience along its banks.
The longest route highlighted is the Nashua River Rail Trail – Nashua River Rail Trail loop from Pepperell, which spans 17.0 km (10.6 miles) and is classified as difficult. This route offers an extensive run with scenic riverside views.


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