Union Oktoberfest 2026 Join us at Union Patio Bar & Grill on Saturday, September 12th, beginning at 4:00 PM, for an authentic Oktoberfest celebration featuring great food, live music, craft beer, and classic German-inspired festivities. Enjoy authentic German cuisine, live entertainment by Alpenmeisters, our exclusive Union Fest Beer, the crowd-favorite Das Boot Challenge, an exciting Dachshund Race, raffle prizes, and commemorative souvenirs throughout the event. We’re proud to partner with Sierra Nevada Brewing Co., Farmers Brewing Co., By Grace Atelier, and Big Red’s Barbecue to bring this celebration to Oroville. Admission is $10, but guests who arrive dressed in a dirndl or lederhosen receive free entry. There is no cover charge for guests under 21. Gather your friends, raise a stein, and celebrate Oktoberfest with us at Union Patio Bar & Grill. Prost!