Uonuma City in Niigata Prefecture was formed in 2004 by merging the neighboring cities of Nagaoka and Sanjo. Uonuma's koshihikari rice is nationally famous, and the region is a thriving rice and agricultural industry. Surrounded by mountains, the area experiences heavy snowfall in the winter. Other areas include rivers and lakes, making it a region rich in nature. Local specialties include koshihikari rice, sake, and wasabi. While trains and buses run through the city, many people rely primarily on cars. The Kan'etsu Expressway also crosses the town. Tourist attractions include Okutadami Dam, Okutadami Lake, and ski resorts, and the area bustles with people enjoying winter sports in the winter. Events include the Uonuma City Koide International Snowball Fight.