Jim Block's website has information and photos describing Smith Pond Shaker Forest.

Smith Pond Shaker Forest consists of 995 acres of forest and wetlands in Enfield located between two State Wildlife Management Areas. The three properties combine to provide thousands of acres of significant wildlife habitat. Upper Valley Land Trust’s property boasts two waterfalls, numerous articles from Shaker History including spillways, dams, canals, and stone walls, and the beautiful Smith Pond with serene and scenic views.

Public parking is located at 121 Smith Pond Road. Take Exit 15 from I-89, and travel east, up the hill, on Smith Pond Road about 0.5 miles to the parking and trailhead kiosk.

Parking is also available off NH-4A. Take Exit 17 from I-89, travel east on US-4 1.7 miles toward Enfield, and bear right onto NH-4A. The parking area and trailhead kiosk are about 4.1 miles on the right.

Smith Pond Shaker Forest has five miles of trails, with two access points. You can start your hike from the trailhead parking on NH-4A in Enfield or the parking area on Smith Pond Road, via exit 15 on I-89. From the I-89 side, the trail is approximately 1.3 miles of fairly flat and easy hiking to the pond, and there is a 1.6-mile spur trail out to Half-Mile pond, located on the state-owned Henry Laramie Wildlife Management Area. From the 4A side, the trail climbs the wooded slope 2.5 miles. You can complete a full loop up to the pond and back, past all the shaker history, and two waterfalls, over 5 miles in total.

The AllTrails website has a description and map of a hike at Smith Pond Shaker Forest.