Preheat oven to 350 degrees F.
Pour canned peaches and juices in a 9x13 casserole dish.
Evenly sprinkle yellow cake mix over top of peaches.
Cube butter and place around casserole dish on top of cake mix.
Bake 45 minutes or until top of cake is golden brown.
Allow cake to cool at least 10 minutes.
Slice cake. Serve with ground cinnamon and vanilla ice cream.
Peach Cobbler Dump Cake can be served warm or at room temperature.