4.8
(3155)
13,476
hikers
01:37
6.36km
20m
Hiking
Hike the easy 4.0-mile Great Brook Tophet Swamp Loop in Great Brook Farm State Park, featuring varied terrain, wetlands, and Wolf Rock.
Last updated: February 26, 2026
Waypoints
Start point
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553 m
Highlight • Forest
Tip by
5.81 km
Highlight • Lake
Tip by
6.06 km
Highlight • Rest Area
Tip by
6.20 km
Highlight • Historical Site
Tip by
6.36 km
End point
Parking
Way Types & Surfaces
Way Types
3.53 km
1.82 km
767 m
239 m
Surfaces
4.49 km
917 m
461 m
349 m
125 m
< 100 m
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Elevation
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Saturday 6 June
29°C
14°C
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This route was planned by komoot.
While komoot rates this loop as 'easy', it's considered more challenging than many other trails within Great Brook Farm State Park. You can expect narrower, rougher paths with hills, twists, and turns. The terrain often features extensive views of swamps and wetlands, and some sections have significant rocks and roots underfoot. There is also a boardwalk section on Tophet Loop East.
Yes, a significant feature is Wolf Rock, a formation of three large rocks rumored to have been a den for the last wolves in Carlisle. You'll also pass by the Beaver Pond in Great Brook Farm State Park and historical Cellar Holes. The trail offers extensive views of swamps and wetlands, showcasing a variety of fern species and red maples.
The trail can be enjoyed in various seasons. Spring and fall offer pleasant temperatures and vibrant foliage. Due to its wetland characteristics, be prepared for potentially muddy sections, especially after rain or during thaw. The trail is not part of the park's ski-touring routes, offering a different perspective during winter months, though conditions may be rougher.
Yes, the trail is dog-friendly. You might encounter other dog walkers along the route. Always ensure your dog is leashed and that you clean up after them to preserve the natural environment for everyone.
Parking is available within Great Brook Farm State Park. Specific parking areas for the Tophet Swamp trails are typically well-marked. Check the park's official website or signage upon arrival for the most current parking information and regulations.
Great Brook Farm State Park, where this loop is located, generally has a parking fee. This fee contributes to the maintenance of the park facilities and trails. It's advisable to check the official Massachusetts DCR website (or similar state park authority) for current fee schedules and any specific permit requirements before your visit.
Yes, the route incorporates sections of several other official trails within Great Brook Farm State Park. You will traverse parts of Pine Point Loop, Heartbreak Ridge, Keyes Loop, Tophet East, and Tophet West, offering a diverse hiking experience.
The loop is approximately 6.4 kilometers (4 miles) long and typically takes around 1 hour and 37 minutes to complete at a moderate hiking pace. This duration can vary based on your fitness level, the number of stops you make, and trail conditions.
The Tophet Swamp trails are generally less frequented than other main trails within Great Brook Farm State Park. This offers a more secluded and quiet hiking experience, though you may still encounter other hikers or dog walkers.
Given the extensive wetlands and forested uplands, you have a good chance of spotting various bird species, especially near the Beaver Pond. Keep an eye out for smaller mammals common to New England forests. The 'Wolf Rock' feature also hints at the historical presence of larger wildlife in the area.
Yes, the trail is located within Great Brook Farm State Park, which includes Great Brook Farm. The farm often has restrooms and sometimes offers refreshments or ice cream, depending on the season and operating hours. Check their website for current offerings.
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