Review for Winnedumah Winn's Casino Review For Winnedumah Winn's Casino Google User Sep 2 '16 at 22:54 Best Casino in California. Stopped for gas which was 50 cents a gallon cheaper than anywhere else in Northern California. Place was packed and I could see why. Locals told me this casino had loose slots and they were right!!! Won $1200. after 4 pulls. Made our holiday. I real hidden jewel on Hwy 395. View full site to comment or like