Spirit Mountain Casino in Grand Ronde, Oregon, is the largest casino in the state and operates as a Las Vegas-style facility chartered by the Confederated Tribes of Grand Ronde. Located at 27100 SW Salmon River Highway, approximately 65 miles southwest of Portland, it opened in October 1995 and operates 24/7. The sprawling complex features 90,000 square feet of gaming floors with slots and table games including blackjack, roulette, and craps, a 254-room hotel, five restaurants, and regular live entertainment and special events. Drawing three million visitors annually, it ranks as Oregon's busiest tourist attraction.