From Brunnen, bike on paved road to Ingenbohl, Unterschoenenbuch, Oberschoenenbuch to the cable car that takes you to Stoss, a little town on a plateau. From Stoss, follow the double-track gravel road all the way to the ridge, which is called Wannentritt. Take the singletrack down across alpine meadows. It will turn into a double track and then into a small ashpalt road. Half way down the asphalt road, take a right onto a hiking trail that take you back to Brunnen above Lake Lucerne.