The wine and trading house J. & P. Testuz SA is located in the municipality of Treytorrens-Cully directly on Lake Geneva under the famous steep slope of the location Dézaley
in the Swiss canton Vaud
, The family has been based in Vaud for 450 years. The vineyards cover 20 hectares of their own vineyards, including a large part of the Dézaley location. An additional 40 hectares are leased and grapes are purchased from contract winemakers from another 20 hectares in the La Côte area. The white wine varieties Chardonnay, Chasselas, Pinot Gris and Riesling, as well as the red wine varieties Gamay, Garanoir, Pinot Noir and Syrah are processed into mostly single-variety wines. The premium wines include the white wines "L'Arbalète" (Chasselas) from Dézaley, "Roche Ronde" (Chasselas) from Saint-Saphorin, "Le Coup de l'Etrier" (Chasselas) from Epesses, and the red wines "Terra Mater" - in German "Mother Earth" (Pinot Noir and Gamay) from Dézaley and "Grand Croix" (Pinot Noir). Around 4.5 million bottles of wine are produced annually.