The Bollin
- A river in Greater Sembara
Located in the Wistel–Enst Watershed, Greater Sembara
A major river in Ardlas and western Sembara that joins the Wistel near Ainwick. The Bollin is cold and rocky and shallow for much of its length, and is not navigable save for the 30 miles or so upriver of the confluence with the Wistel. It has three major tributaries: