The grotto often fills with water in heavy rains. While researching, I did see a picture of it with the water.

My booklet says: The availability of shade, water and natural amphitheatre has attracted Native Americans to this location for thousands of years.

Per HAZ's PaleoRob: It is here that the Palatkians created masterful rock art, some of the most beautiful images in the Sedona area. Butterflies, figures, shapes, people, all different types of amazing pictographs.