Mansfield Hollow State Park

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Last Updated: December 5, 2025

Mansfield Hollow State Park is located in Mansfield, Connecticut.


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Summary

There are many good reasons to visit this park including hiking, biking, fishing, boating, and bird watching. Visitors can enjoy a picnic or a swim at the beach as well. The park offers a wide range of activities for people of all ages.

One of the main points of interest at Mansfield Hollow State Park is the Mansfield Hollow Dam which is an earthen dam used for flood control and water supply. Visitors can also explore the Nipmuck Trail, a 35-mile long hiking trail that passes through the park. The park also features a boat launch, providing access to the water for boating and fishing.

Interesting facts about Mansfield Hollow State Park include that it was established in 1952 and covers over 2,300 acres. The park is situated on the site of the Mansfield Hollow Reservoir, which was created in the 1950s as a water supply for the town of Mansfield. The area is home to a variety of wildlife, including eagles, herons, and otters.

The best time of year to visit Mansfield Hollow State Park is during the spring and fall when the weather is mild and the foliage is beautiful. Summer is also a popular time to visit due to the warm weather and water activities. However, visitors should be aware that the park can get crowded during peak season.

Overall, Mansfield Hollow State Park is a beautiful and diverse natural area in Connecticut with plenty of activities and points of interest for visitors to enjoy.

       

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Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
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