Mount Katahdin and Hamlin Peak Loop is a 10 mile loop trail located near Millinocket, ME that features a lake and is rated as difficult. The trail offers a number of activity options and is accessible from March until October.
On this loop hike you will climb all the peaks of tallest mountain in Maine, also the terminus of the Appalachian Trail. Baxter Peak is the northern terminus of the Appalachian Trail and is the high point of the state. In total you will be climbing 3 distinct mountains on this loop hike including a side trip to Chimney Pond nestled in the center of your alpine loop trip. All trail junctures have been detailed in this guide. If you want to fully appreciate Mt. Katahdin in all its glory, this is the loop hike to make. It can be done in one long day with an early start.
One of the premier hikes in the Northeast. I can't say anything that would do the Great Mountain justice, so I will keep it short. Also, the description states that it is 10 miles, but my app clearly tracked me at 12.1 miles.