Lassen will host a free Ski Celebration at the Kohm Yah-mah-nee Visitor Center on Monday, February 20 from 11 a.m. to 3 p.m. Entrance to the park is free in observance of Presidents’ Day. https://www.nps.gov/lavo/learn/news/ski-celebration-2017.htm
Source: Lassen Volcanic National Park News