A pet bowl assembly for traveling in a vehicle includes a container for holding water, a triangular shaped bowl that is in fluid communication with the container, and a lid removably attached to the triangular shaped bowl. The container is shaped and sized to dimensionally correspond to a shape and size of a recess of a cup holder in a console of a vehicle. The container is securely retained within the cup holder, and the triangular shaped bowl extends partially between the front vehicle seats. In another embodiment, a pet bowl assembly is provided for storing both food and water. The pet bowl assembly includes a container for holding pet food where the container is releasably attached to a triangular shaped pet bowl that is filled with water. The embodiments optionally include a splashguard for preventing spilling when a pet is drinking from the bowl and when a vehicle is in motion.