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About Us

Grand River Casino and Resort opened in March 1994, and has worked hard to maintain a high level of gaming quality and service. The Casino is owned by the Standing Rock Sioux Tribe and is located 4 miles west of Mobridge on Highway 12. 

We would love to hear from you. Please feel free to contact us with any questions or comments that you may have regarding our Casino and Resort.

E-mail: Crystal Vermillion

Mailing Address:
PO Box 639
Mobridge, SD 57601

Phone: 605-845-7104 or 1-800-475-3321

Fax: 605-845-3880

Hours (all CST):
Mondays through Thursdays • 7am to 2:30am
24 Hours • 7am Fridays through 2:30am Mondays

 

 


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Age Requirement

Guests 18 years of age and older are welcome. Persons under the age of 18 will not be permitted on the property. This includes the Lodge and Bay Store. Guests under 18 are welcome at the cabins and campground. Guests must be 21 years of age to gamble. Thank you for your understanding.