The highest peak of the State of New-York is Mount Marcy ( 5,344 feet | 1,629 m ) The 9 mile trail is a very rewarding and fun one that can be done in less than 7 hours by advanced hikers or 9 hours for hikers looking for a great view and a day in the great outdoor. Where to start the hike and how to get there : The trail to the summit of Mount Marcy is easy to find...