This category is for the rivers of Ossiriand.
“Thalos was a river of the Ossiriand and the second most northern of the seven rivers of that...Thalos
“The Gelion was a river in the East Beleriand. The Gelion had two sources which were located in...Gelion
“Duilwen was one of the seven rivers of the Ossiriand in Lindon during the First Age. The Duilwen...Duilwen
“Brilthor was one of the seven rivers of the Ossiriand in the eastern Beleriand. The Brilthor...Brilthor
“The Adurant runs from southern Blue Mountains into the river Gelion, marking the southern...Adurant
“Legolin was one of the rivers of the Ossiriand in the eastern Beleriand. Originating in the Blue...Legolin