sunshine—due to its location in a low gap in the Sierra crest. In the summer months the ski gondolas are used by mountain bikers and tourists who wish to get a summit view of Long Valley Caldera directly to the east and Sierra peaks to the west, south and north. To the south of the mountain, there are a number of lakes that serve as tourist attractions in the summer. References Further reading External links Mammoth Mountain Ski Area trail map USGS Volcano Hazards Program, Long Valley Observatory QTVR of tree kill area Mammoth Earthquake 1980 May 25 16:33, 16:49, 19:44 UTC Magnitude 6.2, 5.9, 5.9 Inyo National Forest Pleistocene lava domes Mountains of Madera County, California Mountains of Mono County, California Mountains of the Sierra Nevada (United States) Volcanoes of Madera County, California Volcanoes of Mono County, California Mountains of Northern California Volcanism of California Volcanoes of California Holocene lava domes