Hike to Mount Katahdin and back:
5267 feet high (4000 feet up)
8 miles 7 hours (difficult)
via Abol Trail
Hike List: New England 4000-Footers
Guide: AMC Maine Mountain Guide
Website: New England Hiking
Website: AllTrails
Website: Big Moose Inn Cabins and Campground
Wikipedia: Mount Katahdin
Farnsworth Museum plaque: Katahdin