Visit Website Get Directions Ohiya Casino Visit Website Get Directions Address: 52946 NE Hwy 12, Ste 2 Niobrara, NE 68760 Phone: (402) 857-3860 About 52946 NE Hwy 12, Ste 2, 5 mi. E. on NE Hwy 12 - Owned and operated by the Santee Sioux Nation, this facility offers 190 Class II gaming machines. Open Sun-Thu, 9am-midnight; Fri-Sat, 9am-2am. 402-857-3860
