Longmire, WA – Rescuers are on the hunt for a pair of snowboarders stranded on Washington’s 14,411-foot Mount Rainier as a winter storm buffets the Cascade volcano.

Derek Tyndall and Thomas Dade, ages 20 and 21, contacted authorities by cell phone on Sunday afternoon to report that they had become lost and disoriented in the blizzard while descending the mountain from Camp Muir. According to a Mount Rainier National Park spokesperson, the pair has a compass but no overnight gear. They spent the night hunkered down in a snow cave, according to authorities who reached the men by telephone at around 7 a.m. this morning.

The two men, whose home towns are currently unknown, are believed to be in the Paradise area at around 7,500 feet on Mount Rainier, which has thus far received some 20 inches of snowfall from the storm. Winds were reportedly gusting to around 70 m.p.h. in the area.