260 Miles Of Trails henrymowry 12 years ago Mount Rainier National Park has 260 miles of maintained trails. How else could you see all of this beauty? Posted on Tumblr by the US Department of the Interior, 10/20/14. Share this: Email a link to a friend (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Pinterest (Opens in new window) Pinterest Share on X (Opens in new window) X