Wentworth State Park spans 50 acres and is located on the shore of scenic Wentworth Lake. Popular activities in the park include swimming, picnicking, hiking and fishing. Amenities include picnic tables, a boat launch, flush toilets, and a group use area.

The park is open weekends from mid-May to mid-June, and daily from mid-June to Labor Day. Admission is $3 for adults; $1 for children ages 6-11; children ages 5 and under and NH residents age 65 and over are admitted free of charge.