John Muir Trail Photos, Day 12: Evolution Basin Ryan Grayson October 6, 2012 Evolution Lake Muir Shelter, a bad weather shelter on Muir Pass Sapphire Lake Heading South Sapphire Lake Facing North A Backpacker's Life List by Ryan Grayson is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
