Snow cornice even being on the snow on top of rock exposes the alpinist to hazard in this situation. The best practice in mountaineering is to stay far enough back from the edge so as not to be able to see the drop, as an approximate metric of exposure. In avalanche safety, cornices are a high avalanche danger as they often break and trigger larger avalanches that permeate several snow layers. Cornices are particularly vulnerable to collapse during periods of solar warming. Snow cornice A snow cornice or simply cornice (from the Italian cornice meaning "ledge") is an overhanging edge of snow
Berryessa Snow Mountain National Monument clinging to otherwise barren and rocky mountainsides." The high-elevation Snow Mountain area is one of the most biologically diverse regions in California. The area has cultural and historical, as well as ecological, significance. The region has been inhabited by linguistically diverse Native American tribes for 11,000 years — including the Yuki, Nomlaki, Patwin, Pomo, Huchnom, Wappo, Lake Miwok and Wintum indigenous peoples. Berryessa Snow Mountain National Monument Berryessa Snow Mountain National Monument is a national monument of the United States comprising of the California Coast Ranges in Napa, Yolo, Solano, Lake, Colusa, Glenn and Mendocino counties in northern California. Cache