Thanks for the additional info, I've incorporated the avalanche data into the text. Your link to the movie didn't work. There are several movies of the same title according to IMDB. Did you mean the one with Mathiew Broderick?
Believe a scene of Whitehorse Mtn from the US film "War Games" was shown, but gave film viewers the false impression that the rugged landscape was from Colorado, USA, not the N. Cascades of Washington, USA.
The CAG - Cascade Alpine Guide - warns rightly of avalanche danger. A 1970 spring-time ascent could have been tragic. A 0.4 meter slab cut loose after it was traversed [when ascending]. When descending the slide path was noted and all concluded; anyone on that slope during the slide would have been hurled over the lower cliff area.
Thanks for the additional info, I've incorporated the avalanche data into the text. Your link to the movie didn't work. There are several movies of the same title according to IMDB. Did you mean the one with Mathiew Broderick?
The movie scene showing Whitehorse Mtn in the background was very brief. The foreground shot was of a main character in the movie, making a call from a phone booth. The phone booth, now removed, was several miles west of Darrington, WA., on the south side of the paved highway - SR 530.
If more information about the movie [depicited a false warning at NORAD of a nuclear attack ] is verified; will certainly forward this via another post.