REI Co-op Guide to National Parks is your comprehensive guide to hiking trails and gems in our National Parks. Complete descriptions, vertical profiles, family tips and much more. See your live location on the trail map - never get lost!
The REI Guide to National Parks is built from data on HikingProject.com, an REI Co-op community.
It's FREE to download and free of advertising too. Everything you need, nothing you don't.
See that blue dot? That's you! You'll know your exact position on the map at all times.
No signal? Welcome to the backcountry! That's why our app works offline.
Explore like a local with insider tips on camping, permits, food & more!