Rivil
From Tolkien Gateway
A lesser tributary of the River Sirion, that rose in the heights of Dorthonion at Rivil's Well and flowed westward to meet the Sirion at the Fen of Serech.
A lesser tributary of the River Sirion, that rose in the heights of Dorthonion at Rivil's Well and flowed westward to meet the Sirion at the Fen of Serech.