Pressing Grapes Process | Ridgetop Cellars | Making Wine Education | California Winery Today at Ridgetop Cellars, we got to participate in one of the coolest parts of winemaking — pressing the grapes after they’ve finished fermenting. 🍇🍷 Once the grapes are done bubbling away, everything gets loaded into this big stainless-steel press. It slowly squeezes the fermented grapes, separating the fresh wine from all the skins and seeds. The deep purple juice running out the bottom is the good stuff