Solo Climber Rescued after Triggering Avalanche on Tallest Mountain in Idaho A Pennsylvania man was rescued early Sunday morning after falling on Idahoโs tallest mountain and triggering a small avalanche, reports the East Idaho News. Hao Yan, 23, was hiking up the north face of Mount Borah when he fell Saturday evening, according to a news release from Custer County Search and Rescue. Mount Borah summits at 12,657 feet and climbers […] Avalanche AvyBrains | June 26, 2018 0 Comments