Passaconaway Cutoff Trail is a 10.3 mile out and back trail located near Waterville Valley, NH that features a river. The trail is rated as difficult and primarily used for hiking. Dogs are also able to use this trail.
We took Oliverian Brook trail from the Kancamagus Highway up to the summit of Passaconway. This was a long hike out and back with limited views until the top. There are some rock scrambles but maintains a fairly moderate grade as it climbs.