Från "långt bort" vingårdar, uppenbarligen.
There stood barrels, and barrels, and barrels; for the Wood-elves, and especially their king, were very fond of wine, though no vines grew in those parts. The wine, and other goods, were brought from far away, from their kinsfolk in the South, or from the vineyards of Men in distant lands. Hiding behind one of the largest barrels Bilbo discovered the trapdoors and their use, and lurking there, listening to the talk of the king's servants, he learned how the wine and other goods came up the rivers, or over land, to the Long Lake.
The Hobbit: Chapter 9 - Barrels Out of Bond
Några av Thranduils vin kom från Dorwinion (översatt av Tolkien som " Unglandslandet "), söder om Dale, uppfördes längs floden Running till Laketown. Förmodligen tas de bästa lagren direkt till älven och resten säljs till handlare och lokalbefolkningen på stadens omfattande marknader.
When he heard this Bilbo was all in a flutter, for he saw that luck was with him and he had a chance at once to try his desperate plan. He followed the two elves, until they entered a small cellar and sat down at a table on which two large flagons were set. Soon they began to drink and laugh merrily. Luck of an unusual kind was with Bilbo then. It must be potent wine to make a wood-elf drowsy; but this wine, it would seem, was the heady vintage of the great gardens of Dorwinion, not meant for his soldiers or his servants, but for the king's feasts only, and for smaller bowls, not for the butler's great flagons.
