 The movie was filmed at Fortress Mountain in the Province of  Alberta, Canada. Fortress Mountain, part of the Canadian Rockies,  rises to a height of 3,007 meters (9,865 feet). The movie was filmed  at a location above 2,440 meters (approximately 8,000 feet). The  sets were close to the popular ski 71.5 miles) to the west of  Calgary. The film set location was popular with snowboarders, who  threatened to shut the production down through hooliganism,  according to the official movie Web site. Differences were smoothed  over when it was made apparent that the production company planned  to return the site to its natural state. As the production neared  completion, the producers rejected an offer to preserve the  gold