GranMonte Vineyard Khao Yai: Ultimate Guide, Tours & Wine Tasting GranMonte Vineyard Khao Yai is Thailand’s premier award-winning family estate, located roughly 150 kilometers (a 2.5-hour drive) northeast of Bangkok in the Asoke Valley. Famous for pioneering “latitude climate” winemaking, this stunning 40-acre estate sits 350 meters above sea level near Khao Yai National Park. […]