Design in Mottled Blue/Gray. Official "Facing West" Mountain Profile Design by JCombs using USGS elevation data. Mammoth Lakes is near the Devils Postpile National Monument, Rainbow Falls, Mono Lake, Yosemite National Park and Mammoth Mountain. Mammoth Lakes, California, Mammoth Mountain, Resort Town, Alpine, Cross-country, Skiing, Hiking, Camping, Backpacking, Mountain Biking, Mountain Climbing, Rock Climbing, Vacation, Holiday, Travel, Gift Lightweight, Classic fit, Double-needle sleeve and bottom hem