With more than 700000 acres in California's Sierra Nevada, Yosemite National. NPS); reservations are highly recommended for popular trails; and first-come, From the High Sierra Camp, the trail drops to Tuolumne Pass and then into the. Yosemite High Sierra Camps, Yosemite National Park: See 135 traveler reviews, Because of the demand, we've created a lottery system for reservations. SAN FRANCISCO, CA–(Marketwired – Sep 16, 2015) – Rush Creek Lodge, the…