Mid Peninsula Wine Trails Mid Summers Wine Walk is this weekend! Experience 5 wineries all within one block of each other. Domenico, Flying Suitcase, Russian Ridge, Old County Cellars Saturday & Sunday, and Zoetic (on Saturday only). Domenico opens at 11.am and Old County Cellars closes at 5:30 the others are noon to 5pm. We are open from noon to 5pm both Saturday and Sunday. Come and see what San Carlos Wineries have to offer.