Review for Lone Butte Casino Review For Three Rivers Casino Resort Google User Mar 27 '18 at 4:03 Three Rivers is pretty much a typical Oregon casino. The people are friendly. The food is good and reasonably priced. Rooms are fair, and the gambling all inclusive. There isn't a very good ratio to payout; a few big winners, but mostly just enough to keep you playing. Like I said, typical. View full site to comment or like