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Hiking trails & Routes
Middlesex County
Marlborough

Backpacker Trail to Bear Paw Loop

Easy

5.0

(1)

6

hikers

Backpacker Trail to Bear Paw Loop

01:51

6.79km

110m

Hiking

Embark on an easy 4.2-mile (6.8 km) hike along the Backpacker Trail to Bear Paw Loop, a journey that takes approximately 1 hour and 50 minutes. You will experience gentle forest paths and peaceful woodlands, gaining 369 feet (112 metres) in elevation. As you wander, look for the distinct markers of the Pine Tree Loop and Acorn Trail, which guide you through the serene landscape.

Accessing the Backpacker Trail to Bear Paw Loop is straightforward, with ample parking available at the trailheads within Callahan State Park. You won't need any specific permits or have to pay fees for day hiking this route. Before your visit, it's always a good idea to check local park advisories for any updates or changes that might affect your plans.

This route offers a wonderful opportunity to immerse yourself in the natural environment of Callahan State Park, known for its diverse local wildlife. It provides a relaxing outing in nature, perfect for observing the flora and fauna typical of the region. The loop is an excellent choice for anyone seeking a tranquil escape into the park's woodlands.

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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2.54 km

Beebe Pond

Lake

B

6.79 km

End point

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Way Types & Surfaces

Way Types

6.10 km

429 m

267 m

Surfaces

6.08 km

440 m

269 m

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Elevation

Elevation

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Weather

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Today

Friday 22 May

18°C

7°C

0 %

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Max wind speed: 8.0 km/h

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Frequently Asked Questions

Where does the Backpacker Trail to Bear Paw Loop start, and is there parking available?

The Backpacker Trail to Bear Paw Loop is located within Callahan State Park. You can access the trailhead from the main parking areas within the park. Specific parking lots like the one near the Millwood Street entrance often provide convenient access to various trails, including this loop.

Is the Backpacker Trail to Bear Paw Loop suitable for beginners?

Yes, this trail is considered easy, making it suitable for beginners and those looking for a relaxed hike. The 6.8 km (4.2 miles) loop has minimal elevation gain, ensuring a comfortable experience for most fitness levels.

What is the terrain like on this loop?

The terrain on the Backpacker Trail to Bear Paw Loop is generally well-maintained. You can expect a mix of hard-packed paths through forested areas, with some sections potentially featuring natural obstacles like exposed roots or small rocks. Given its easy rating, steep inclines are not a significant feature.

What kind of wildlife or natural features can I expect to see?

While hiking the Backpacker Trail to Bear Paw Loop, you'll traverse through pleasant woodlands typical of Callahan State Park. Keep an eye out for common New England wildlife such as deer, various bird species, and small mammals. The park's diverse habitats also offer opportunities to observe local flora, especially during spring and summer.

What is the best time of year to hike the Backpacker Trail to Bear Paw Loop?

The Backpacker Trail to Bear Paw Loop is enjoyable year-round. Spring offers lush greenery and wildflowers, summer provides warm weather for outdoor activity, and autumn showcases stunning fall foliage. Winter hiking is also possible, but be prepared for potentially icy or snowy conditions.

Are dogs allowed on the trail?

Yes, dogs are generally welcome on trails within Callahan State Park, including the Backpacker Trail to Bear Paw Loop. However, they must be kept on a leash at all times, and owners are responsible for cleaning up after their pets.

Are there any permits or entrance fees required for Callahan State Park?

No, there are typically no entrance fees or permits required to access Callahan State Park or its trails, including the Backpacker Trail to Bear Paw Loop. It is a state park open to the public for recreational use.

Does the Backpacker Trail to Bear Paw Loop intersect with other trails?

Yes, the Backpacker Trail to Bear Paw Loop is part of a larger network of trails within Callahan State Park. It intersects with and utilizes sections of several other paths, including the Bay Circuit Trail, the Backpacker Trail, the Bear Paw Trail, the Pine Tree Loop Trail, and the Flying Squirrel Trail.

How long does it typically take to complete this hike?

The Backpacker Trail to Bear Paw Loop is approximately 6.8 km (4.2 miles) long. For an average hiker, it typically takes around 1 hour and 50 minutes to complete the entire loop, depending on your pace and how often you stop to enjoy the scenery.

What should I bring for a hike on this trail?

For a comfortable hike on the Backpacker Trail to Bear Paw Loop, bring appropriate footwear, water, and snacks. Depending on the season, consider insect repellent, sun protection, and layers of clothing. A map or GPS device can also be helpful for navigating the intersecting trails.

Are there any specific viewpoints or landmarks along the route?

While the Backpacker Trail to Bear Paw Loop offers continuous pleasant forest scenery, it is not known for dramatic, named viewpoints or specific landmarks. The beauty lies in the tranquil woodland experience and the opportunity to immerse yourself in nature within Callahan State Park.

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