is a ‘torrent’, or intermittent stream
, which rises on the slopes of Monte Tamaro
, in the Swiss canton
. After about 2 km it enters the Italian province of Varese
, foming the Val Veddasca
before entering Lake Maggiore
. Its course passes through the communes of Indemini
in Switzerland and Veddasca
, Curiglia con Monteviasco
The fish found in the river are predominantly Salmonidae, Cyprinidae and Cottidae, in particular brown trout, grayling, chub, vairone and European bullhead.
The river is put to use as a source of hydropower.