JOHN MUIR TRAIL, California  try: from Tuolomne Meadows to the Devil&#x27;s Postpile, a 28-mile hike that starts in Yosemite, goes through much of the Ansel Adams Wilderness and ends back in Yosemite. It&#x27;s one of the most beautiful sections of trail in the world: backcountry lakes, mountains, glaciers, wildlife, etc.  Easily accessible from natl park, good for all skill levels of hiking