group of three men mountain climbers traverse an exposed rock ledge high above a beautiful turquoise mountain lake

active adventure alpine alps beauty bern bernese bire blue client cliff climber climbing descend doldenhorn down exposed extreme fruendenhorn fruendenschnur grass group guide highlands hiking horizontal kandersteg lake landscape lead male men mountain natural nature oeschinensee outdoor path peak scenery scenic several sports summit swiss switzerland three top trail turquoise valais vertical view white