There are steep, exposed ledges. The whole loop is about 9.8 miles but these trails are about 7 miles.
To Champney Falls Trail (Brook) parking lot, Kankamagus Highway (NH 112):
From the east:
Kancamagus Highway (NH 112), 11.5 mi. from Rt. 16 in Conway, NH
From the west:
Kancamagus Highway (NH 112), 21.5 mi. from Loon Mtn. entrance in Lincoln, NH