NEW CUMBERLAND (AP) — Profits at Mountaineer Casino, News-Register ( 8eyu.com) reports West Virginia casinos have. Mountaineer Casino, Racetrack and Resort is a thoroughbred racetrack and casino resort located on the Ohio River north of New Cumberland, West Virginia, owned and operated by Eldorado Resorts. . State Journal. Charleston, WV. Set on acres of wooded hillside along the Ohio River, this lively resort-style hotel offers a casino and thoroughbred race track. It's miles from Tomlinson.