River Umber

The river Umbar is a fast flowing, and full of cascades that froms part of the natural border between Aglarondand Thay.

The river has it's headwaters in the high glaciers of Thaymount and flows west. At Nethentir if flows down the First Escarpment and into Lake Umber, and from there it flows through the Dragonjaw Mountains into the Sea of Dlurg.

Trade
Vessels can move up and down the river, all the way to the eastern end of lake Umber. Thay often sends trade ships down the river into the Sea of Dlurg and onto the Sea of Fallen Stars.