Every year thousands of locals and tourists climb a mountain in the northern Spanish wine producing region of La Rioja to celebrate St. Peter's day by covering each other in red wine using water pistols, back mounted spraying devices, buckets which a

Every year, thousands of locals and tourists gather in Haro, located in the northern Spanish wine producing region of La Rioja. To celebrate St. Peter's day, participants climb a mountain and douse each other in red wine. This event, known as the Batalla del Vino, involves the use of buckets, water pistols, and back mounted spraying devices. The most recent celebration of this unique tradition took place on June 29, 2026, attracting many revellers.