Tenna, a small town in the Surselva region of Switzerland, boasts the world's first solar-powered ski lift, which opened in 2011. The ski resort offers 4.5 km of slopes with 4.3 km of blue, 1 km of red, and 0 km of black slopes. The resort has a total of 5 km of skiing terrain, with an altitude range of 491-1780m. Tenna has received positive reviews, with a 4.3-star rating on Bergfex and 49 Google reviews. The town's innovative approach to sustainability and ecology has made it a notable destination for eco-conscious skiers.