
Grapes
France
Clefs des Murailles is a Rhône Valley producer owned by the Double family, with several generations working together and Phanette Double associated with the estate. Its vineyards include approximately 40-year-old vines planted at 120 metres on southwest-facing hillsides and south-facing plains. The ancient, poor soils are rich in Miocene sandstone and marl, with an average yield of around 30 hl/ha. No organic or biodynamic certification, specific sustainability practices, production scale, or detailed winemaking approach is documented.