Hike to Mount Mansfield and back:
4393 feet high (3000 feet up)
6 miles 6 hours (moderate)
via Haselton Trail and Long Trail
Just hiking up:
3 miles 3 hours
Hike List: New England 50 Finest
Guide: Hiker's Guide to the Mountains of Vermont
Website: New England Hiking
Website: AllTrails
Wikipedia description: Mount Mansfield
Trails may be closed in "mud season" (April 15 - May 30)