Château de Ruth operates in the Southern Rhône, where Mediterranean warmth and ancient soils shape wines of ripe fruit and mineral tension. The winery's Grande Sélection Côtes-du-Rhône blends Grenache, Syrah, and Mourvèdre—the classic Southern Rhône trio—into a wine that balances the region's characteristic spice and dark berry with structure. Its rosé counterpart, also Grande Sélection, draws from Grenache and Cinsaut to produce a wine of dry precision. Both have been assessed by Wine Enthusiast and Wine Advocate, reflecting the winery's standing among prestige critics. The Southern Rhône's warm continental climate and limestone-rich terroir inform the house style: wines built on ripe tannins and aromatic intensity rather than the power of the Northern Rhône.