600” per Year at a Ski Resort in Colorado? Colorado’s Secret Big Snow Stash = Irwin Irwin Colorado – A Geographic Phenomenon photos by Alex Fenlon, words by Irwin Cat Ski. Located on the western edge of the Elk Mountains just 10 – miles outside of Crested Butte, Colorado, the old mining town site of Irwin is a geographic phenomenon as far as snowfall goes. Irwin receives, on average, 600” a year, just as much, […] Weather SnowBrains | May 20, 2013 5 Comments