The Bear Brook State Park is a state park and recreation area in Allenstown, New Hampshire. It is best noted for being the largest developed state park in all of New Hampshire.

With more than 10,000 acres worth of area, the Bear Brook State Park offers a wide range of different activities and amenities that visitors can easily take advantage of. First off, there are over forty miles of nature trails that will take you through wooded areas, bogs, marshes, ponds, and summits. There is also a day use area and a 101-site campground. Archers can also take time and practice their game at the site?s two archery ranges that are maintained by the state?s Fish and Game Department. Aside from all of these outdoor activities, visitors can also enjoy the museum complex located within the park.