The Lago del Sambuco reservoir is approximately three kilometers long and 500 meters wide. It is located above the village of Fusio in the Lavizzara Valley and is operated by Ofima (Maggia Power Plants). The hike begins at the dam at the beginning of the lake. There is also a small restaurant, the Grottino Lago Sambuco.
Follow the road towards Narèt for a short distance before turning right onto the hiking trail, which climbs steeply to some rustici (traditional stone houses). From there, follow the path to the left and walk above the lake towards Alpe di Campo la Torba. The trail undulates gently as you cross numerous gullies, beautiful flower meadows, blueberry bushes, and enchanting forests.
At Corte del Prevosto, the path divides. Stay on the lower path, which leads directly to Campo di Sotto, and continue to Grasso di Dentro. Alpe di Campo la Torba is grazed with cattle in summer; fresh cheese and other products can be purchased directly on the alp.
Return to the starting point via the same route. If you prefer, you can also return along the road below.