Tags: Wine Region.
The Seiad Valley AVA is an American Viticultural Area in Siskiyou County California located adjacent to the Klamath River and close to the border with Oregon. The wine region was granted AVA status in 1994 despite having only one commercially bonded winery in operation Seiad Valley Vineyards which has since ceased operations. The valley floor is covered in the excavated rock left behind as tailings from gold mining.