Rangers at the Glen Canyon National Recreation area said the Double Arch in Rock Creek Bay, also known as the “Toilet Bowl” and “Hole in the Roof,” collapsed on Thursday. NPS said it was ...

Changing water levels and erosion are believed to have contributed to the collapse of the geologic ... water from the rim above. The arch was in the Rock Creek Bay area of Lake Powell in Glen ...

The "Double Arch" feature seen in Rock Creek Bay at Glen Canyon National Recreation Area has apparently collapsed into the ... in the Roof," has become a popular attraction for visitors of Lake ...