Chris Landry is an American extreme skier and snow scientist. Extreme skiing is Skiing performed on long steep (typically from 45 to 60+ degrees or grades of 100 to 170 percent slopes in dangerous terrain This article refers to the natural event For other uses see Avalanche (disambiguation An avalanche is an abrupt and rapid flow of snow often Landry made several pioneering ski descents of western mountains, including Pyramid Peak, near Aspen, Colorado. Pyramid Peak is a fourteen thousand foot mountain in the US state of Colorado. The City of Aspen is a Home Rule Municipality that is the County seat and the most populous city of Pitkin County, Colorado, United In addition Landry founded the Spring Gulch Nordic ski area near Carbondale, Colorado and the Center for Snow and Avalanche Studies in Silverton, Colorado. Carbondale is a Home Rule Municipality in Garfield County, Colorado, United States. The historic Town of Silverton is a Statutory Town that is the County seat of and the only incorporated