Hike to Mount Major and back:
1786 feet high (1200 feet up)
3 miles 2 1/2 hours (easy)
via Mount Major Trail
Just hiking up:
1 1/2 miles 1 1/4 hours
Hike List: NH Little Mountains
Map: Belknap Range Hiking Map
Guide: AMC Southern New Hampshire Trail Guide
Website: AllTrails