It is absolutely compulsory to call the Infoline of the respective hydroelectric power plants before venturing into canyons with artificial uptake!
All risky activities defined in the relevant federal legislation are prohibited along the riverbeds downstream of hydroelectric plants between dusk but (not later than 10 p.m.) and 8 a.m.
Emergency medical assistance by air REGA
Tel (Within Switzerland): 1414
Tel (From abroad): +41 333 333 333
Emergency radio channel 161.300 MHz
Colonna di soccorso del Club Alpino Svizzero (CAS)
Tel (Within Switzerland): 1414 (Rega) or 117 (Police)
Tel: 117 and 112
Tel (Within Switzerland): 144