Montana's Most Dangerous Ski Run: Big Sky Big Couloir

Our full journey down the Big Couloir at Big Sky, Montana. This notorious triple-black-diamond run requires a sign out with ski patrol and a partner to access—and one wrong move can mean a devastating fall. JOIN US on PeakHouse 2025-26: 🇳🇿 PeakHouse New Zealand 2025: https://forms.gle/BmcPjHGmBRNkg6cF9 ☀️ PeakHouse Banff 2025 (Summer Hike): https://forms.gle/oAv89ayFmcdjVaaZ9 🥾 PeakHouse Jackson Hole 2025 (Summer Hike): https://forms.gle/fUeKPoC1nf4MSo8e7 WAITLIST for: 🇯🇵 PeakHouse Japan 2026: https://forms.gle/soG6o5uZTYaP4KfJ7 🇨🇦 PeakHouse Whistler 2026: https://forms.gle/g6twFRSFrozd3tg87 🇮🇳 PeakHouse India 2026: https://forms.gle/obbTzaHqhCFGT1g58 🏔️ PeakHouse Vermont 2026: https://forms.gle/62Qw7nLcRKo7GL7QA More info on PeakHouse trip experiences 👉 https://www.peakrankings.com/peakhouse-2025 Join our community on Circle: https://peakrankings.circle.so/join?invitation_token=e81ab49b15adff52121eeda94a84c327e7ce83dd-5f6e005c-41be-41f4-87f5-2d7c5d13eb8b Become a PEAK PATRON 👉 https://www.patreon.com/PeakRankings Sign up for our newsletter: http://eepurl.com/gZAgm1 Join our Discord: https://discord.gg/5D6nwHDEJS Follow us on other channels! 🏔️ Instagram: https://www.instagram.com/peakrankings 🏔️ Twitter: https://www.twitter.com/peak_rankings 🏔️ TikTok: https://www.tiktok.com/peakrankings 🏔️ Facebook: https://www.facebook.com/peakrankings Business inquiries: [email protected] 0:00 Intro 0:39 Arrival at Big Sky 1:20 First Big Couloir Attempt 1:58 Second Big Couloir Attempt 3:24 Third Big Couloir Attempt 4:26 Headwaters Hike 6:01 Three Forks Triple-Black-Diamond Run 8:19 Three Forks Incident 8:48 Fourth Big Couloir Attempt 9:37 Lone Peak Tram Line 10:31 Lone Peak Tram Ride 11:17 Big Couloir Incident 1 11:57 Penalty Box & Big Couloir Signup 14:07 Big Couloir Descent (Part 1) 16:45 Big Couloir Incident 2 18:23 Big Couloir Descent (Part 2) 20:31 Random Snowboarder Duo Descent 21:25 Big Couloir Incident 3 22:16 Jerry's Big Couloir Descent 23:45 Final Thoughts