Main drainage basin 105
2,200 km² · Halland County and Västra Götaland County · 151 rivers
The Viskan drainage basin covers 2,200 km² and reaches into Halland County and Västra Götaland County. It gathers all the water that runs to the sea through the same river system.
151 mapped rivers belong to the basin.
Showing the 60 longest — and 91 more in the basin.
Basin boundaries from SMHI's Swedish Water Archive (SVAR).
