'Harnen was a river south of Gondor.
A good 600 Númenórean miles long, it began in the Ephel Dúath of Mordor and then flowed south-west for about 350 miles, when it bent west and sped to Belegaer, which it entered in a wide delta by the Bay of Belfalas.
It formed the southern border of the contested land of Harondor, South Gondor, and as such formed the southern border of Dúnedain influence. South of the Harnen lay the land of Near Harad.
The Great South Road into Harad crossed the Harnen shortly after it bent westwards. This road was used by Sauron's followers later in the Third Age.
Harnen seems to mean "South Water" in Sindarin.
- ↑ 1.0 1.1 J.R.R. Tolkien, Christopher Tolkien (ed.), Unfinished Tales, "The West of Middle-earth at the End of the Third Age" [map]
- ↑ Robert Foster, The Complete Guide to Middle-earth, p. 189, entry "Harnen"