Credit goes to The Complete Guide To Middle Earth, by Robert Foster, without which this page would not be what it is. Note: This page is still under construction!
Adorn
Description:
A River in Western Rohan, flowing west into the Isen.
Adurant
Description:
A River in Beleriand flowing west from the Ered Luin.
Aelin-Uial
Description:
A River in Doriath, the stretch of the river Sirion between the inflow or Aros an the Falls..