Region: Southeastern Allyria
It is navigable for much of its length, though its swift current, especially in spring, can often hinder travel upstream. Nevertheless, it is a major trade route between eastern Periaslavl, southern Euskalerria, and northern Amaranth.
In 1652 MG, an army led by Sergei Timurevich defeated a large horde of steppe nomads that had invaded Periaslavl at a bridge over the Amyr. This defense of the bridge is now celebrated in story and song throughout Periaslavl, most notably the play Sergei at the Bridge.