Château la Coste, in le-Puy-Sainte-Réparade, is one of the most popular local wineries. The vintage wines are award winning, and their vrac, at €2,40/litre, are quality table wines.
More details are available on their website. Set your GPS to : 43° 38' 58" N - 5° 25' 23" E and check your hours:
Château La Coste is open Monday through Saturday from 8am-noon and 2pm-6pm in winter, and from 8am-7pm in summer; excepting Sundays and holidays between 15 May to 15 October from 10am-7pm.
Here’s a photo tour: