Hike to Owl's Head Mountain and back:
4025 feet high (2900 feet up)
18 miles 11 hours (difficult)
via Lincoln Woods Trail, Franconia Brook Trail,
Lincoln Brook Trail and Owl's Head slide path
Just hiking up:
9 miles 6 hours
Hike List: NH 4000-Footers
Guide: AMC White Mountain Guide
Topo Map: South Twin Mountain NH 24k USGS quadrangle
Website: New England Hiking
Website: AllTrails
Hike 16 miles (instead of 18) with bushwhack shortcut