and deter the dog from reaching it. make sure that the baby gate is high enough so that your dog cannot jump over it.
there are also special attachments that you can add to the litter box. one is a tunnel that is long enough and small enough for the dog’s head to fit in. this will effectively prevent the dog from reaching the contents of the litter box.
get a self-cleaning litter box. the device can remove the cat poop before the dog has the chance to get to it.
use a closet that has space to put the litter box on the floor. make sure that it is all right to 