Beaver Brook—Hollis, New Hampshire Beaver Brook offers over 35 miles of easy to moderate trailsacross2,200 acres of conservation land. Trails are accessed by 10 different trailheads, and there are trails near rivers, ponds, streams, and small waterfalls. The property includes a universal access trail, and popular multi-use routes include boardwalk sections and scenic loops—such as the 3.5-mile Dam Road and Wildlife Pond Loop and the 4-mile Beaver Brook Trail, Eastman Meadow Trail, and Maple Hill Ridge Loop. Beyond hiking, the area features 13 gardens perfect for nature journaling or enjoying a stroll. Trails are free and open to the public year-round dawn to dusk, anddogs are welcome but must be on leash.