Things to Do Park Itineraries 2 Days in Olympic National Park “OL-Hoh-rainforest-hall-of-mosses_Adobe_680” "The tree arch on the Hall of Mosses Trail in the Hoh Rainforest." Share this Facebook Icon Twitter Icon Email Icon Join Olympic National Park Trips Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Join Olympic National Park Trips Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In