Alex Honnold Climbs a 4,000 Foot Sea Wall (Full Episode) | Arctic Ascent | National Geographic

Alex Honnold, a rock climber famous for his free solo ascents, and a team of expert climbers and scientists reach the final phase of their epic expedition - A 4,000 foot sea wall called Ingmikortilaq, one of the biggest unclimbed rock faces on the planet, and one of the most important glaciers in Greenland. In this full episode of Arctic Ascent from National Geographic, Honnold not only attempts the impossible, but helps gather critical field data with glaciologist Heidi Sevestre to research the impacts of climate change on the region's glaciers and the Renland Ice Cap. Arctic Ascent with Alex Honnold | S1 E3 Explore the World with National Geographic subscriptions: https://natgeo.com/ytngmagazine ➡ Subscribe: https://on.natgeo.com/4p5A0D6 ➡ Get more Nat Geo Full Episodes: https://on.natgeo.com/3V5ZfHI ➡ Get wild with Nat Geo Animals Full Episodes: https://on.natgeo.com/3V2EOLO And check out more National Geographic series and specials here: ➡ Disney Plus: https://on.natgeo.com/3q6on5p ➡ Hulu: https://on.natgeo.com/3Qor0Ko ➡ NGTV: https://natgeo.com/tv ➡ ABC: https://abc.com #NationalGeographic #ArcticAscentwithAlexHonnold #FullEpisode About National Geographic: National Geographic is the world's premium destination for critically acclaimed storytelling around science and exploration. Discover amazing wildlife, ancient civilizations, hidden worlds, and the incredible wonders of our Earth. Through world-class scientists, photographers, journalists, and filmmakers, Nat Geo inspires fans of all ages to connect with, explore, and care about the world. Get More National Geographic: Official Site: https://nationalgeographic.com Instagram: https://instagram.com/natgeo Facebook: https://facebook.com/natgeo Threads: https://threads.com/@natgeo X: https://x.com/NatGeo LinkedIn: https://linkedin.com/company/national-geographic TikTok: https://tiktok.com/@natgeo Reddit: https://reddit.com/user/nationalgeographic Pinterest: https://pinterest.com/natgeo Alex Honnold Climbs a 4,000 Foot Sea Wall (Full Episode) | Arctic Ascent | National Geographic https://youtu.be/rGDLZ3A7uJo National Geographic youtube.com/natgeo