Arroyo Tapiado Mud Caves

California · POI · part of Anza-Borrego Desert

The largest system of mud caves in the United States — more than 22 tunnels, some over 1,000 feet long and 80 feet tall, eroded from ancient Carrizo Badlands silt deposits.

Coordinates: 32.9248, -116.1887.

Get the Explore app for offline maps, live conditions, and every spot in California. Data sources.