Sörenberg Brienzergrat Loop: A Ridge Tour Along the Cantonal Border of Luzern and BernFrom grassy nature reserve to ridge running along the Brienzergrat and Zwischenegg→ 21km     ↑ 1380mΔ 2293M ♦ MediumΘ CCWThe Sörenberg aerial cableway takes you quicky up to Rossweid where you’ll start running already above the forest. Rolling pastures spread bellow, home to a variety of plants and animals, and …