TrailGuide 15th Edition 

(Cover: GAP Mile 30 - This 910-foot long Keystone Viaduct was completed in 2003)  

Click here to purchase a copy.

Cover  15th No Spine

TrailGuide is the official, authorized visitor's guide for the Great Allegheny Passage and C&O Canal Towpath, covering two scenic trails - one amazing journey.  Now in it's 15th edition, the book is major resource for planning day or multi day trips, finding lodging, restaurants, tour companies, shuttles, detailed mile by mile campground information on both trails, useful itineraries, plus much more!

Mileage charts and elevations tables are also provided, as well as mile-by-mile highlights for all 335 miles between Washington DC and Pittsburgh PA.

*BONUS - Each book includes a weatherproof map of both trails.

2019 Trail Guide 112 113

This year’s book has lots of new content, new pictures, a redesigned map

Proceeds from the advertisers, and book sales are reinvested into trail improvement projects.

2019 Trail Guide 4 5

Do you have a business that would like to attract some of the 6 million people whom visit or experience either park each year?  

Review the official MEDIA KIT for businesses looking to advertise to trail users and bike tour audiences. 

For information and resources to help promote your business in next year's TrailGuide, please e-mail  

  • GAP Trail App

    Explore the GAP Trail and C&O Canal trail in a whole new way! Log your trips, review amenities and keep up to date on trail news.
  • TrailGuide

    The official dining & lodging guide for the Great Allegheny Passage® and C&O Canal. Packed with places to eat and stay, maps, and points of interest!
    Tg2019 cover


The Great Allegheny Passage ® (GAP) rail-trail offers 150 miles of hiking and biking from Cumberland MD to Pittsburgh,PA.


P.O. Box 228
Homestead, PA 15120