Appalachian Trail Thruhikers Companion 21th Edition Appalachian Trail Long Distance Hikers Association by Appalachian Trail Long Distance Hikers Association, Robert Sylvester 9781889386867, 1889386863 instant download after payment.

The leading guide for Appalachian Trail thru-hiking for two decades and still the only official guide.
The Appalachian Long Distance Hikers Association's Appalachian Trail Thru-Hikers Companion offers up-to-the-minute knowledge of the A.T. from current hikers and Trail-maintainers more than three dozen volunteers giving back to current hikers and the Trail. It provides essential information on hiker-oriented services near the Trail.
For the 21st edition, this official Appalachian Trail guide also features:
Professionally drafted elevation profiles of the entire route you won't find anywhere else in one place
Almost 50 town maps, a two-thirds increase over last year
Its very own app (details inside the book)
The Companion remains the only thru-hiking guide that reflects the perspectives of many and the only one produced by nonprofits that put the proceeds entirely back to the trail.
ALDHA is the only organized A.T. users group. It compiles the Companion in collaboration with the Appalachian Trail Conservancy, the volunteer-based organization responsible for overseeing management of the trail. Together, they seek to make walking on the A.T. your adventure the adventure of a lifetime.