S04a 交匯處 S04 Prati d'Agro - Alpe Rescerasca CH（至意大利-瑞士邊境）

Path that from the crossroads of S04 to the meadows of L'Agher (Prati d'Agro), passing by Alpe Cacciavino, Aurone and Frignago, reaches the Alpe Rescerasca in Switzerland (the data refer only to the part of the route up to the Italian-Swiss border ).