Hike to Mount Monadnock and back:
3165 feet high (1700 feet up)
5 miles 3 hours (moderate)
via Old Halfway House Trail and White Arrow Trail
Just hiking up:
2 1/2 miles 2 hours
Hike List: NH 52 With-A-View
Map: Mount Monadnock Hiking Trails
Guide: AMC Southern New Hampshire Trail Guide
Website: New England Hiking
Website: AllTrails (White Dot Trail)
Wikipedia: Mount Monadnock
Alternate Hike (popular):
Park at Monadnock State Park (fee):
Hike to Mount Monadnock and back:
4 miles   1800 feet up   3 hours   (moderate)
via White Dot Trail
Alternate Hike (longer):
Park at Dublin Lake:
Hike to Mount Monadnock and back:
9 miles   1800 feet up   5 hours   (moderate)
via Pumpelly Trail
Website: AllTrails (Pumpelly Trail)