Clos des Papes is a highly regarded wine producer located in the Châteauneuf-du-Pape appellation in the Southern Rhône Valley. Founded by Paul Avril in the early 20th century, the estate consists of 24 parcels of land throughout the appellation, totaling 32 hectares (79 acres). All 13 grape varieties allowed in the Châteauneuf-du-Pape appellation are grown in these vineyards, with Grenache, Mourvèdre and Syrah being the most important for their yield.