Christof Teuscher, an associate professor at Portland State University, is the first person to scale all five mountains in one push.
Jamie Hale | The Oregonian/OregonLive, Portland Oregonian: Travel
Thu, 08/25/2016 - 7:30am
Christof Teuscher, an associate professor at Portland State University, is the first person to scale all five mountains in one push.