Mouth of Sirion.

The sandy delta of Sirion in the Bay of Balar where he flowed as a great flood into the Bay of Balar and the sea of Belegaer. The Mouth of Sirion was a wide sandy delta with many rivers and streams of Sirion covering an area of 20 Miles long and 15 Miles wide, on both sides of the delta was large areas of reed and rushwoods the Lisgardh. On the Westside of the Mouth was the Haven of Sirion. East of the delta was Taur-im-Duinath.