Steep

Steep is a 2007 documentary about extreme skiing written and directed by Mark Obenhaus. Steep explores the history of extreme and Big Mountain Skiing, starting with its roots in 1960s and 1970s North America and Europe, with Bill Briggs' now famous first descent of the Grand Teton, and progressing through to the current day sport.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.