Must be 21+. Discover resources and information about tribal gaming establishments in New Mexico. Make your casino vacation a sure bet with Expedia and. Browse our selection of 9 Casino hotels & resorts in Gallup, NM for the ultimate stay & play vacation. Experience the best of New Mexico casino resorts at Inn of the Mountain Gods Resort & Casino. Sunday - Thursday: 8 AM - 2 AM | Friday. Explore the tribal casinos links page at NMGCB. . No Smoking Facility. New Mexico's premier mountain resort awaits! DISCOVER NORTHERN NEW MEXICO AT ITS BEST! The casino is open every day. New Mexico has 24 tribal casinos1 and five racetrack casinos. Tribal casinos may operate casino-style gaming, including slot machines and.