August 7, 1952Charles Mahan was ascending on a snowfield when he slipped and broke his collarbone and cut his knee when he impacted the base. He was carried out by Park Rangers.Source: Accidents in North American Mountaineering, 1953 July 4, 1976Jim Boicourt was found dead near the Y couloir with one crampon on and apparently had fallen while attempting to ascend it.Source: Accidents in North American Mountaineering, 1977 July 3, 1977Two unknown climbers were killed in an avalanche, quite atypical for the time of year.Source: Accidents in North American Mountaineering, 1978 July 21, 1978Lawrence Berman was ascending a snowslope above Spectacle Lakes when he slipped and fell 1200 feet to his death.Source: Accidents in North American Mountaineering, 1979 August 26, 2000Larisa Watson was ascending the Blitzen Ridge route when she started a glissade and lost control, sliding 150 feet into the rocks at the base. She suffered cuts to the head and face and was rescued two days later.Source: Accidents in North American Mountaineering, 2001 July 29, 2005Jeff Christensen, Rocky Mountain National Park Ranger, was on a routine patrol from Chapin Pass to Lawn when he fell to his death below the East Face near Spectacle Lakes.Source: Rock Mountain News | ![]() Ypsilon Mountain from the North |