The Devil's Path is a hiking trail in the Catskill Mountains of New York. Though only 24.2 miles long, the trail boasts 8,000-9,000 vertical feet of climbing, and is considered by many to be the toughest hiking trail in the Eastern US. Wikipedia has detailed description of the trail.

The Northville Placid Trail (NPT) is a 142 mile route running between Waterfront Park in Northville, NY to the Lake Placid History Museum (forme