New Hampshire Parks & Recreation
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Forest Lake State Park

397 Forest Lake Road
Dalton, NH 03598
Phone: 603-466-3860

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Swimming Mountain Biking Fishing Canoeing Kayaking Picnicking Group Picnic Area Restrooms

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Forest Lake State Park, one of the ten original state parks, was created in 1935. The park spans 397 acres and its 200-foot sandy beach lies on the shore of Forest Lake. Popular activities in the park include swimming, picnicking, mountain biking, fishing, and boating.

Operating Schedule

During the main operating season (see dates below) facilities are open at Forest Lake and staff are not typically present. This park is always open for recreation unless closed or restricted by posting. During the off-season the park is typically not staffed and comfort stations are not available.

 Weekends only
 Full-time  Operating hours
 6/13-8/30 8am-Sunset

The off-season poses unique risks inherent when participating in outdoor recreational activities.  Please be aware that many State Park areas and trails are not staffed during the off-season, and day-use fees are not collected. Recreationists should possess the necessary knowledge, skill, and equipment to ensure their own safety.  Users assume all risk while recreating in State Park lands.

Are pets allowed at Forest Lake State Park?

Pets are not permitted in the park. See the NH State Parks Pets Policy for more information.

Keep Your Parks Clean

Through the Carry-In/Carry-Out Program, you can help us keep your parks clean and beautiful by carrying out whatever you carry in. Thank you for your cooperation and remember to recycle.

Beach Advisories

For listings of current advisories, please visit the State of New Hampshire, Department of Environmental Services Beach Advisories website page.


Access for Persons with Disabilities

Please contact the park office directly for information regarding disability access needs.