Caesars Entertainment partnered with the Buena Vista Rancheria Me-Wuk. Harrah’s Northern California is in the city of Ione off Highway 88. A new casino will open this month in Amador County. Ione casino The City of Ione, California, near Jackson and Sutter Creek is nestled in the beautiful oak-covered foothills in the Gold Country – approximately 30 miles The Ione Band of Miwok Indians is a federally recognized tribe of Miwok people in Amador County, California. Book your stay now!Cadger Tax & Ione Casino. Map of Buena Vista Casino at, Ione, CA 95640.Buena Vue Casino is the initial phase of a multiple phase Resort and Casino development just outside Sacramento, California.The Buena Vista Gaming Authority is currently accepting resumes for consideration for numerous positions at the soon to be Harrah’s Northern California Casino.