Hike to Mount Cabot and back:
4170 feet high (2700 feet up)
10 miles 6 hours (difficult)
via Bunnell Notch and Kilkenny Ridge trails
Just hiking up:
5 miles 3 3/4 hours
Hike List: NH 4000-Footers
Website: New England Hiking
Website: AllTrails
Wikipedia: Mount Cabot