Wines.com sommelier Bill Elsey and David White, editor and founder of The Terroirist blog taste and discuss a Chimney Rock Sauvignon Blanc blend, reminiscent of white Bordeaux-style wines. Chimney Rock is located on the Silverado Trail in Napa, California. One-quarter Sauvignon Gris, a wine varietal you never hear of. They also produce a 100% Sauvignon Gris.