Hardest in the East

The Great Range Trail, often noted as one of the hardest hikes in the east, includes 10 peaks, including Mount Marcy. At 24 miles for the traverse, this is one hike that requires backcountry experience, plenty of supplies and perhaps a tent to spend the night in.

From http://gtsclothing.com/12-adirondack-hikes-near-saratoga/