Teacher attempts Glacier's 6 highest peaks in 6 days

Greg Burfeind climbs along the outer edge of a snowfield blocking a chimney at Almost-a-Dog Pass in Glacier National Park. (Courtesy of Noah Couser)

Greg Burfeind makes his way up the eastern ridge of Mount Jackson in Glacier National Park. (Courtesy of Noah Couser)

From left to right: Greg Burfeind, Colton Born, Charlie Hoving and Noah Couser pose for a photo in Glacier National Park. Born and Hoving tagged along during part of Burfeind and Couser's attempt to summit Glacier's six highest peaks in six days. (Courtesy of Noah Couser)

Greg Burfeind walks up a trail toward Ptarmigan Pass on the way to Mount Merritt in Glacier National Park after a rejuvenating night's sleep at the Many Glacier Hotel. (Courtesy of Noah Couser)

Greg Burfeind hugs a cliff wall during a climb up Mount Merritt in Glacier National Park. (Courtesy of Noah Couser)

Greg Burfeind hikes along a goat trail on the eastern face of Mount Cleveland, moments before he and Noah Couser decided to turn back during an attempt to climb the six highest peaks in Glacier National Park in six days. (Courtesy of Noah Couser)

Greg Burfeind surveys a chimney half-filled with snow required to access Almost-a-Dog Pass in Glacier National Park. (Courtesy of Noah Couser)