However, the area of this national heritage site has reduced from 200 to 60 hectares due to farming activities in the region.
In 2001 the entire forest became part of the wildlife reserve, extending the area from 55 to 942 hectares.
Production is around 5 million litres from 925 hectares of vines.
The city, therefore, shrank its area from 200 to 135 hectares (494 to 334 acres).
Its boundaries are not clear with the Valley described as having anywhere from 100 to 400 hectares.
In 2007 it was expanded from 12,890 to 13,086 hectares and official status changed back to nature reserve.
The average farm size has increased from 32 to 56 hectares.
They range in size from 50 to 450 hectares.
In 1993 the area of the reserve was increased from 25 to 65.5 hectares.
These territories range from 0.2 to 0.5 hectares in size.