Nanyan Old Well is in the southeastern of Nanyan Town, now is in the Nanyan Winery. It was found in 1978. There was a copper cover at the gate of the well originally. The deep of the well is 5m and the caliber is 0.6m. It doesn't dry all the year round and taste cool and sweet.

It is said that the old well was cut between 1102 and 1106, and it has nearly a thousand years. Now the winery is making white spirit.