Ryan Bowie, 34, was ice climbing with a friend in the remote backcountry near their home in Tumbler Ridge, British Columbia. When Ryan set up a rappel from the top of a vertical ice wall, the highly experienced climber made a series of bad judgments, resulting in a terrifying plunge that could have ended a lot worse. In this episode, Ryan reflects on what went wrong that day.

The Sharp End is presented by Mammut, with additional support from Colorado Outward Bound School and Health IQ. This podcast is produced by the American Alpine Club.

In October 2017, well-known climber Quinn Brett fell over 100 feet while attempting a speed ascent of the Nose of El Capitan. She now lives with paralysis. For this very special episode of the Sharp End, Quinn spoke with Ashley about her climbing, the accident in Yosemite Valley, and the painful aftermath in front of a live audience at the American Alpine Club's Annual Benefit Dinner in February.

This episode of the Sharp End podcast was made possible by Mammut, Petzl, Health IQ, and Colorado Outward Bound School, and was produced by the American Alpine Club. Thanks to Chris Kalous for assistance in Boston and to Vince Schaefer / Cold House Media for photography.

Steve Smith was glissading down from Aasgard Pass, gateway to the Enchantments in Washington State, when he plunged into a deep hole caused by a waterfall of melting snow. This was a dangerous mistake: Several hikers and climbers have died falling into this same hole. Steve is now the climbing education manager for the Mountaineers and owner of Experiential Consulting, a risk-management consulting firm for outdoor programs. In this riveting episode, he shares the many lessons from that day on Aasgard Pass.

The Sharp End podcast is made possible by Mammut, Health IQ, and Colorado Outward Bound School, and is produced by the American Alpine Club.

Japhy Dhungana, a Nepal-born, Colorado-based climbing guide, aspired to lead Evictor, a notorious 5.12 climb at the Rincon Wall in Eldorado Canyon. After rehearsing the route on top-rope and practicing the critical gear placements, Japhy made a lead attempt at the end of the day last March. When he let go near the top, Japhy expected take a long but safe fall. But that's not what happened.

This episode of the Sharp End is presented by Mammut, with additional support from Health IQ and the Colorado Outward Bound School.

Tyler Smoker and friends were out for an early season tour near Hatcher Pass, Alaska, in November. He let down his guard for a moment and took a terrifying ride. Ashley and Tyler use their deep knowledge of backcountry snow safety to discuss what mistakes were made.

The Sharp End is produced each month by Accidents in North American Climbing, an annual publication of the American Alpine Club, and is presented by Mammut, with additional support from Vertical Medicine Resources and Colorado Outward Bound School.

Flight medic and Denali mountaineering ranger Dave Weber returns to the Sharp End to discuss the common themes he's heard in the first 20 episodes of this podcast. As he tells Ashley, there are three simple but profoundly effective lessons for preventing and surviving climbing accidents.

You can hear Dave's previous appearance on the Sharp End (Ep. 4) here: https://soundcloud.com/the_sharp_end/denali-ranger-dave-weber-a-day-in-the-life.

The Sharp End is produced each month by Accidents in North American Climbing, an annual publication of the American Alpine Club, and is presented by Mammut, with additional support from Vertical Medicine Resources and Colorado Outward Bound School.

Craig Gorder, 28, and Kelsey Brasseur were attempting to climb all seven towers of the Bridger Jack formation in Utah in a single day. In mid-afternoon, as Craig started up the second pitch of Hummingbird Spire, their fifth tower of the day, he pulled off a huge sandstone block that crushed his body and cut his rope, leaving him dangling below Kelsey. In this episode, Craig describes the accident and the incredible rescue that followed.

Read Craig's story about this incident in the 2017 edition of Accidents in North American Climbing: http://publications.americanalpineclub.org/articles/13201214389.

The Sharp End is produced each month by Accidents in North American Climbing, an annual publication of the American Alpine Club, and is presented by Mammut, with additional support from Vertical Medicine Resources and Colorado Outward Bound School.

Bill Wright and Tom Karpeichik were attempting a bold challenge in Colorado's Eldorado Canyon: Climb 100 guidebook pitches in a single day. To cover all that ground, they planned to simul-climb most of the way. Early that morning, four pitches up a 5.8+ route, Tom broke a hold on 5.5 or 5.6 terrain and fell, 50 feet above his last piece of protection. In this episode, Wright describes the monster, unbelayed fall that followed, how they both survived, and the lessons he took home.

Read the original Accidents in North American Climbing report: http://publications.americanalpineclub.org/articles/13201104602/Fall-on-Rock-Simul-Climbing-Colorado-Eldorado-Canyon-State-Park.

The Sharp End is produced each month by Accidents in North American Climbing, an annual publication of the American Alpine Club, and is presented by Mammut, with additional support from Vertical Medicine Resources and Colorado Outward Bound School.

Ashley speaks with fellow Outward Bound instructors Matt Olsen and Ty Guarino, who survived a serious rappelling and rockfall accident during an attempt on the famous Grand Traverse of the Tetons. Hear about their impressive self-rescue and the lessons they learned.

The Sharp End is produced each month by Accidents in North American Climbing, an annual publication of the American Alpine Club, and is presented by Mammut, with additional support from Vertical Medicine Resources and Colorado Outward Bound School.

By late April, Marcus Mazzaferri had already hiked nearly 1,000 miles of the Pacific Crest Trail. He was just about to stop for the day near Tuolumne Meadows, high in Yosemite National Park, when he came across a swollen creek and decided to cross it before setting up camp. What happened next left Marcus all alone, with no gear, 15 miles from the nearest road. His story will make you wonder: What would I have done?

The Sharp End is produced each month by Accidents in North American Climbing, an annual publication of the American Alpine Club, and is presented by Mammut, with additional support from Vertical Medicine Resources and Colorado Outward Bound School.