Natural lakes
The Rein da Medel is the longest headwater of the Rhine. It is located in the Swiss cantons of Ticino and Graubünden and flows through the valleys Val Cadlimo and Val Medel. Rein da Medel is the local Sursilvan, (i.e. Romansh) name in Graubünden, which is commonly used to denote the ticinese part as well. It is 25 km long.
The most important place along the river is the village Curaglia in the municipality of Medel.
