The best MTB trails in Carlisle State Forest
4.4
(36)
428
riders
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rides
Mountain biking in Carlisle State Forest offers diverse terrain across hilly hardwood forests, mature pine stands, and extensive wetlands. The area features rolling secondary woodlands, old farm carriage roads, and rocky eskers, providing varied riding experiences. Many mountain bike trails connect with the adjacent Great Brook Farm State Park, expanding the network for longer and more varied rides. This region is characterized by its varied ecosystems and natural features, including streams, vernal pools, and a notable Cranberry Bog.
Best mountain…
Last updated: May 1, 2026
28
riders
15.5km
01:17
110m
110m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
15
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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4
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
6
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.0
(3)
5
riders
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
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Tips from the Community
It’s a must for bikers and hikers. Specially during Indian Sommer. Reachable by red line and ideally including in a round course by biking and a hiking weekend
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The Reformatory Branch Trail stretches 3.9 miles through Middlesex County, connecting the historic towns of Bedford and Concord along a dirt path. This rail trail, built in 1873 by the Boston & Lowell Railroad, offers activities like mountain biking, walking, and cross-country skiing in winter. It begins at Depot Park, near the North Bridge, site of the "shot heard round the world." Along the way, the trail passes through wildlife refuges, including the Elm Brook Conservation Area and the Great Meadows National Wildlife Refuge, which are home to over 220 bird species and other wildlife. While the trail's rough conditions make it ideal for foot or mountain bike/gravel bike travel. The trail concludes at Lowell Road, where nearby parking and restrooms are available.
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A little muddy in spots the day after it rained, but easy enough to ride even on my road bike.
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Rangeway Town Forest is a small patch of forest owned by the city of Billerica. It consists mostly of pine trees and is open to public use.
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Here is a beautiful view of the Great Meadows. This National Wildlife Refuge, is one of the eight sanctuaries that make up the Eastern Massachusetts National Wildlife Refuge complex. This reserve offers visitors many landscapes and habitats to explore while enjoying many activities throughout the year such as hiking, snowshoeing, fishing, hunting and boating on the Sudbury and Concord Rivers.
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Moore's Swamp is a natural destination named after John B. Moore, a farmer who bought and reclaimed it for farming in the mid-1800s. It is an excellent opportunity to observe wildlife, as it is a nesting habitat for Great Blue Herons and home to many other bird species. While you are here, watch for the endangered Blanding's Turtle, which can also be found in the area.
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Great Brook Farm boasts a range of facilities, including walking trails, a working dairy farm, and a visitor's center. The scenic landscape provides stunning views of meadows and woodlands and lakes. With good quality roads running through it, it makes a fantastic area to cycle through.
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Frequently Asked Questions
How many mountain bike trails are available in Carlisle State Forest?
Carlisle State Forest offers a diverse network of nearly 20 mountain bike trails. These routes traverse varied landscapes, often connecting with the adjacent Great Brook Farm State Park to provide extensive riding opportunities.
Are there mountain bike trails suitable for beginners in Carlisle State Forest?
Yes, Carlisle State Forest and its interconnected trails with Great Brook Farm State Park offer several easy routes perfect for beginners. For example, the Great Brook Farm State Park – Beginner Loop is a popular choice, and the Cellar Holes – Great Brook Farm State Park loop is another accessible option.
What kind of terrain can I expect when mountain biking in Carlisle State Forest?
You can expect a diverse range of terrain, including hilly hardwood forests, mature pine stands, and extensive wetlands. Trails often follow rolling secondary woodlands, old farm carriage roads, and rocky eskers, providing a varied and engaging riding experience.
Are there any family-friendly mountain biking options in Carlisle State Forest?
Absolutely. Many trails within Carlisle State Forest and especially those connecting to Great Brook Farm State Park are considered family-friendly. Routes like the Great Brook Farm State Park – Beginner Loop are specifically noted for being suitable for families.
What natural features or landmarks can I see along the mountain bike trails?
The trails wind through areas featuring streams, vernal pools, and a notable Cranberry Bog. You might also encounter ancient trees, impressive rock formations like Castle Rock, and the old-growth white pines and hemlocks in the Carlisle Pines area.
Are the mountain bike trails in Carlisle State Forest dog-friendly?
While many outdoor areas in Massachusetts allow dogs, it's always best to check specific park regulations for Carlisle State Forest and Great Brook Farm State Park regarding pets on trails. Generally, dogs are welcome on leash, but confirm local signage.
What do other mountain bikers enjoy most about riding in Carlisle State Forest?
The area is highly rated by the komoot community, with an average score of 4.4 stars. Riders often praise the diverse terrain, the interconnected trail systems that allow for longer rides, and the scenic beauty of the hardwood forests and wetlands.
Are there any moderate mountain bike trails for more experienced riders?
Yes, Carlisle State Forest offers several moderate trails for those looking for a bit more challenge. The Great Brook Farm State Park – Great Brook Farm loop is a good example of a moderate route that provides a rewarding ride.
Where can I find parking for mountain biking in Carlisle State Forest?
Parking is generally available at designated trailheads, particularly within Great Brook Farm State Park, which is often the starting point for rides that extend into Carlisle State Forest. Look for official parking areas near the main entrances to the parks.
Are there any amenities like cafes or ice cream stands near the trails?
Yes, Great Brook Farm State Park, which is well-integrated with Carlisle State Forest's trails, features a working farm and a popular ice cream stand. This makes for a great treat after your ride. Picnic areas are also available.
What is the best time of year to go mountain biking in Carlisle State Forest?
Spring, summer, and fall generally offer the best conditions for mountain biking. The fall foliage provides a particularly scenic backdrop. Always check local weather conditions, as trails can become muddy after heavy rain.
Are there any long-distance mountain bike loops available?
Yes, thanks to the interconnected trail systems with Great Brook Farm State Park, you can find longer loops. The Great Brook Farm State Park – Pump Track loop is an example of a longer route, covering nearly 15 miles (24 km).
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