Southeast of Concord and Allenstown, the 10,000 acre Bear Brook State Park has 40 miles of trails through heavily forested terrain leading to seldom visited marshes, bogs, summits and ponds. Most routes combine trails, jeep roads and gravel roads.
For starters, the short Bear Hill Pond Loop is a challenging rolling trek. A larger loop combines the Catamount Trail, Lost Trail, Ferret Trail and Hall Mountain Trail. The trails can be rocky and muddy, at times.
A popular 10 mile route, sometimes known has Hall Mountain, starts from the trailhead parking area and heads down Campground Road (Lower Road) to the Broken Boulder Trail. Then heads south on the Broken Boulder Trail, across Spruce Pond Road and on to Poduck Road. Then it continues south to the Hall Mountain Trail, which heads west over Hall Mountain and loops back north to Poduck Road. It follow Poduck Road back north to the parking area (see red route on trail map).
To reach the hiking trailhead from Concord, head south on US93 to Exit 13. Head south on US3 towards Manchester. Just past Suncook, turn left heading northeast on SR28 towards Allenstown. After 3 miles, turn right onto Bear Brook Road leading into the park. Head south for 3 miles and turn right on Podunk Road for 0.3 miles to marked trailhead parking lot.
To reach the trailhead from the south, head north on US93 to Exit #9N. Head north on US3 for 7.3 miles. Turn right heading east on SR28 towards Allenstown. After 3 miles, turn right onto Bear Brook Road leading into the park. Head south for 3 miles and turn right on Podunk Road for 0.3 miles to marked trailhead parking lot.
Overall, Bear Brook State Park is the 4th most popular hiking trail of all 17 hikes in New Hampshire.