Thunder Valley Casino contains more than 3,00o slot and video machines, 125 table games, and a live poker room. This casino offers nonstop promotions that include drawings, tournaments, and cash prizes for players. It is located in unincorporated Placer County near Lincoln, California. Thunder Valley is owned and operated by the United Auburn Indian Community and it's grand opening was held on June 9th, 2003. The casino expanded in July 2010 adding a 17-story hotel with 297 rooms. It also has a spa, an outdoor amphitheater, and 14 restaurants throughout the site.