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Virtual Guidebook to Lassen Volcanic National Park and the Modoc Plateau
Lake Helen
Lassen Volcanic National Park California
Lake Helen set a snow depth record with 331 inches (27 feet, 8.4 meters) on the ground on March 31, 1983. It is estimated that over 600 inches (50 feet, 15 meters) of snow a year fall on the southwest slopes of Mount Lassen. I have seen Lake Helen still frozen and covered with snow in late July numerous times.
 | Lake Helen can be solidly covered with snow and ice well into the summer (July 22, 2011) | |
 | From the road above Lake Helen, abundant snow remains into summer in most years (July 31, 2006) | |
 | Lake Helen still frozen in late July (July 22, 2011) | |
 | Lake Helen, still frozen in late July, officially the snowiest place in California with an average of 55 feet per year, Lassen Volcanic National Park (July 31, 2006) | |