4.7
(17)
194
hikers
47
hikes
Hiking in Upton State Forest offers diverse landscapes across its approximately 2,660 acres, featuring a mix of upland and swamp areas, with sections that include steep grades. The forest contains varied habitats, such as red maple swamps, upland forests dominated by white pine and oak, and red pine plantations. A notable geological feature is Mammoth Rock, a large glacial erratic. The terrain also includes vernal pools, beaver dams, and wetlands.
Last updated: April 26, 2026
2
hikers
6.24km
01:41
80m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.3
(4)
28
hikers
13.7km
03:34
90m
90m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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5
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
7
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Trail is ~8.5 miles, 19k steps, 3+ hours all the way around the reservoir. Well defined trail for the majority of the loop. The scenery is nice, water is clean, and it is not insanely crowded. It's full of wildlife. While hiking, heard a bunch of coyotes, inviting me for a feast.
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Whitehall Reservoir, a sprawling 620-acre great pond in Hopkinton, Massachusetts, awaits a quarter mile south of Route 135 and a mile west of Route 495. With an average depth of 6 feet, reaching a maximum of 30 feet, and water transparency ranging between 6 and 10 feet, this pristine reservoir offers a serene escape.
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Upper Westboro Reservoir is part of the Westboro Reservoir & Conservation Land. The lake is a peaceful place, surrounded with grassy areas and woodlands, providing a nice place for picnicking, fishing or simply enjoying a nice bike ride through the trail system that goes around the water.
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Whitehall State Park in Hopkinton, Massachusetts, managed by the Department of Conservation and Recreation, stands as a recreational haven. Established in 1947 following the removal of Whitehall Reservoir from service as a water source for Greater Boston, the park offers a tranquil retreat.
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Whitehall Reservoir, a sprawling 620-acre great pond in Hopkinton, Massachusetts, awaits a quarter mile south of Route 135 and a mile west of Route 495. With an average depth of 6 feet, reaching a maximum of 30 feet, and water transparency ranging between 6 and 10 feet, this pristine reservoir offers a serene escape.
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Upper Westboro Reservoir is a water supply reservoir within the Westboro Resevoir & Conservation Land. The shallow banks of the lake and surrounding grassy areas and woodlands make this a peaceful location for fishing, picnicking, and offers great views from the bike.
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Whitehall Reservoir, a sprawling 620-acre great pond in Hopkinton, Massachusetts, awaits a quarter mile south of Route 135 and a mile west of Route 495. With an average depth of 6 feet, reaching a maximum of 30 feet, and water transparency ranging between 6 and 10 feet, this pristine reservoir offers a serene escape.
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Whitehall State Park in Hopkinton, Massachusetts, managed by the Department of Conservation and Recreation, stands as a recreational haven. Established in 1947 following the removal of Whitehall Reservoir from service as a water source for Greater Boston, the park offers a tranquil retreat.
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Upton State Forest offers over 20 distinct hiking routes. The majority of these, 19 to be exact, are rated as easy, making them accessible for various fitness levels. There are also 3 moderate trails for those seeking a bit more challenge.
Yes, Upton State Forest is an excellent destination for families. Many of the trails are easy, and the 2-mile Healthy Heart Trail is a popular and accessible option directly from the parking lot, designed to highlight both ecological and cultural aspects of the area. You can also explore routes like Upton State Forest Dirt Road β Upton State Forest loop from Whitney Conservation Area, which is rated as easy.
Upton State Forest is generally dog-friendly, allowing leashed dogs on its extensive trail system. It's always a good idea to ensure your dog is under control and to clean up after them to maintain the natural beauty for all visitors.
Hikers can discover a variety of natural and historical features. A significant geological attraction is Mammoth Rock, a massive glacial erratic. The forest also contains numerous vernal pools and diverse habitats ranging from red maple swamps to upland forests. Additionally, you'll find historic structures built by the Civilian Conservation Corps (CCC) in the 1930s, adding a unique historical dimension to your hike.
Yes, Upton State Forest offers several circular routes. For example, you can enjoy the Peppercorn Hill loop from Camp St Site, which is an easy 3.1-mile trail through forested hills. Another option is the Peppercorn Hill loop from Walleston Conservation Area, also an easy loop.
Parking is available at various access points to Upton State Forest. The Healthy Heart Trail, for instance, begins directly from a main parking lot, providing convenient access to the trail system. Specific parking details can often be found on local conservation maps.
Upton State Forest offers enjoyable hiking experiences throughout the year. Spring brings lush greenery and active vernal pools, while autumn showcases vibrant fall foliage. Summer is popular for its warm weather, and winter allows for activities like cross-country skiing, though trails may be snow-covered. The diverse landscapes make it appealing in any season.
The trails in Upton State Forest are highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the diverse forested habitats, the historical elements like CCC structures, and the presence of unique geological features such as Mammoth Rock. The interconnected trails with adjacent conservation areas also provide opportunities for longer, varied excursions.
Absolutely. Upton State Forest's trail system connects to adjacent conservation areas like Whitney Conservation Area and Warren Brook Watershed Conservation Area. These connections provide ample opportunities for longer excursions and extended exploration beyond the main forest boundaries.
For detailed trail maps of Upton State Forest and other local conservation lands, you can often find resources provided by the town. A good starting point would be to check the official Upton town website for conservation land and trail maps: uptonma.gov.
Upton State Forest's diverse habitats, including upland forests, red maple swamps, and vernal pools, support a variety of wildlife. Hikers might spot common forest animals such as deer, squirrels, and various bird species. The presence of vernal pools also indicates a habitat for amphibians and other small aquatic life during certain times of the year.
Yes, the forest has a rich history. You can discover historic structures built by the Civilian Conservation Corps (CCC) during the Great Depression, which are integrated into the landscape. Additionally, there are ancient stone features, potentially linked to the Nipmuc tribe, adding an archaeological dimension to the forest's attractions.


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