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MTB trails
United States
Massachusetts
Middlesex County

Callahan State Park

The best MTB trails in Callahan State Park

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Mountain bike trails in Callahan State Park span 958 acres of varied landscape in Massachusetts, offering an extensive trail system for outdoor enthusiasts. The park features rolling hills, open fields, and shaded forests, providing diverse terrain for mountain biking. Its trails include a mix of well-maintained fire roads, walking paths, and singletrack. The northern side of the park, including Gibbs Mountain, presents more challenging climbs and descents.

Best mountain bike trails in Callahan State Park

  • The most popular mountain bike trail is Coco Ridge Trail, Birch Trail, & Red Tail Trail loop, an easy 7.7 miles (12.4 km) trail that takes 1 hour 8 minutes to complete. This route combines varied terrain with sections of singletrack and wider paths.
  • Another top favourite among local mountain bikers is Callahan State Park loop from Nobscot Reservation, an easy 4.3 miles (6.9 km) path. This route offers a mix of ascents and descents through the park's diverse landscape.
  • Local mountain bikers also love the Birch Trail Kicker – Coco Ridge Trail loop from Overly Conservation Restriction, a 6.6 miles (10.6 km) trail leading through shaded forests and rolling hills, often completed in about 1 hour.
  • Mountain biking in Callahan State Park is defined by rolling hills, open fields, and shaded forests. The network offers options for both easy and moderate ability levels.
  • The routes in Callahan State Park are highly rated by the komoot community with an average score of 2.0 stars from more than 4 reviews. More than 40 mountain bikers have used komoot to explore Callahan State Park's varied terrain.

Last updated: June 23, 2026

3.0

(3)

10

riders

#1.

Coco Ridge Trail, Birch Trail, & Red Tail Trail loop

12.4km

01:08

170m

170m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

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Tips from the Community

Aaron
May 27, 2024, Fire Tower and Radio Tower

This point in the trail is the highest elevation in the reservation, and offers a nice lookout, but we thought the radio tower and fire tower were also really cool to see!

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A really beautiful piece of nature. Here you can relax in many ways and even spend a whole day with children, picnic, sports and games

Translated by Google

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It is not always about following the tracks of a train, a natural trail or the route of a famous race. Sometimes, you find yourself following the course of underground water! The Hultman and Wachusett Aqueducts are some of the water conducting sources of Massachusetts, water you'll probably be drinking by the time you hit these roads!

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Located in the town of Sudbury, the Hopbrook Marsh Conservation Land has a size of 80 acres and features different landscapes such as wetlands, floodplains, meadows, and forests. It includes multiple hiking trails with wooden bridges and is a great spot to spot wildlife like frogs, turtles, salamanders and various birds.

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Red Tail Trail is a connector trail from or to the south side of Callahan State Park. It is an easy and non-technical trail that features wonderful views over the park.

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Birch Trail is a fun trail with some tiny kickers for an extra dosage of adrenaline.

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LadyDi
April 1, 2022, Coco Ridge Trail

Coco Ridge trail is an easy trail that leads to Juniper Trail, Birch Trail and Pinecone Trail and is fun in either direction.

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The Assabet is a "working river" and observed from above, it seems to be stapled to the landscape by bridges. Over its 31-mile route, more than 40 bridges span it.

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Frequently Asked Questions

How many mountain bike trails are there in Callahan State Park?

Callahan State Park offers a network of 6 mountain bike trails, catering to various skill levels. These include a mix of well-maintained fire roads, walking paths, and singletrack.

What is the general difficulty level of mountain biking in Callahan State Park?

The mountain bike trails in Callahan State Park are primarily rated as easy to moderate. Out of the 6 available routes, 4 are considered easy and 2 are moderate, making it accessible for a wide range of riders. The northern side, including Gibbs Mountain, offers more challenging climbs and descents for those seeking a greater test.

Are there any beginner-friendly mountain bike trails in Callahan State Park?

Yes, Callahan State Park is very welcoming for beginners. Many trails are rated as easy, such as the Coco Ridge Trail, Birch Trail, & Red Tail Trail loop, which is 7.7 miles long, or the 4.3-mile Callahan State Park loop from Nobscot Reservation. These routes offer varied terrain without excessive technical difficulty.

Are there more challenging mountain bike trails for experienced riders?

For experienced riders seeking more challenge, the northern side of Callahan State Park, encompassing Gibbs Mountain, provides more demanding climbs and descents. The Birch Trail Kicker – Callahan State Park (entrance) loop from RZA Island is a moderate 15.5-mile route that will test your endurance and skill.

What kind of terrain can I expect on the mountain bike trails?

You can expect a diverse landscape featuring rolling hills, open fields, and shaded forests. The trails are a mix of well-maintained fire roads, walking trails, and singletrack, providing varied riding experiences throughout the park.

Are there any good loop trails for mountain biking?

Yes, many of the trails are designed as loops. Popular options include the Coco Ridge Trail, Birch Trail, & Red Tail Trail loop (7.7 miles) and the Birch Trail Kicker – Coco Ridge Trail loop from Overly Conservation Restriction (6.6 miles), both offering a comprehensive tour of the park's varied scenery.

What natural features or landmarks can I see while mountain biking?

Callahan State Park is rich in natural beauty. You can encounter picturesque ponds like Eagle Pond, shaded forests, and open fields. For scenic views, the Yellow Trail offers a steep climb to the summit of Mount Pisgah. You might also spot the Fire Tower and Radio Tower.

What kind of wildlife might I encounter?

The park's diverse habitats support a wide array of wildlife. You might spot white-tailed deer, red foxes, coyotes, beavers, and various bird species such as warblers, sparrows, meadowlarks, and birds of prey. The ponds and streams are home to fish like trout, bass, and sunfish.

When is the best time of year to go mountain biking in Callahan State Park?

Callahan State Park is suitable for mountain biking across multiple seasons. Spring and fall offer pleasant temperatures and vibrant foliage. Summer is also popular, though trails might be busier. Winter can be an option for cross-country skiing, but mountain biking conditions will depend on snow and ice.

Is there parking available for mountain bikers?

Yes, parking is available at various access points to Callahan State Park. The Callahan State Park (entrance) is a common starting point with facilities.

Can I bring my dog on the mountain bike trails?

Yes, Callahan State Park is a popular destination for dog walking, with designated off-leash areas. Dogs are generally permitted on the trails, but it's always advisable to keep them under control and check for any specific trail regulations regarding leashes.

What do other mountain bikers enjoy most about Callahan State Park?

The mountain bike routes in Callahan State Park are highly rated by the komoot community, with an average score of 2.0 stars from over 4 reviews. Riders often praise the park's varied terrain, which includes a good mix of singletrack and wider paths, and its suitability for both easy and moderate ability levels.

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