Berthoud Pass Was Open All Winter Thanks To A Remote Avalanche Control System According to the Denver Post, Berthoud Pass in the Rocky Mountains of Colorado was kept open all winter thanks to a remote avalanche control system called Gazex Exploders. This system is French-made and consists of five in the snow loading zones that feed the massive Stanley.ย The Gazex saved money, kept the roads open, and limited the dangers that crews are […] Avalanche Chris Wallner | May 20, 2016 0 Comments