Skilled in trade their wine flowed free
From Western shore of Eastern sea
That even to elven lips was sweet.
Dorwinions
Dorwinion or Dor-Winion was a land which lay on the north-western shores of the Sea of Rhûn, surrounded by the River Running. In Dorwinion was made a heady wine, which was strong enough to let even Elves get drunk and fall asleep.
Tolkien Gateway: Dorwinion