Lenk-Iffigenalp: Running through a wild corner of the Berner OberlandTraveling past waterfalls, over karst, and higher to glaciers, this run is a trip from pastures to alpine and back→ 19km   ↑ 1515mΔ 2755M ♦ MediumΘ CWRacing the sunset at the end of our run, we merged with a herd of grazing sheep. We stood watching them, and they watching us. They were the …