Algodones Dunes
Videos
The Algodones Dunes is a large sand dune field, or erg, located in the southeastern portion of the U.S. state of California, near the border with Arizona and the Mexican state of Baja California. The
The dunes from space
Imperial Sand Dunes recreation area
Remains of Old Plank Road in 2001
Holiday traffic on Presidents Day weekend
Lake Cahuilla
Videos
Lake Cahuilla was a prehistoric lake in California and northern Mexico. Located in the Coachella and Imperial valleys, it covered surface areas of 5,700 km2 to a height of 12 m above sea level during
Algodones Dunes
…reaching there; other times it turned westward toward the Salton Sink. Each time the Salton Sink received the river flow, a large freshwater lake called Lake Cahuilla formed. The last Lake Cahuilla covered much of the Imperial, Coachella and Mexicali Valleys as late as 1450. The most popular theory holds that the…
Region of Lake Cahuilla; the dark green patch is the rough extent of Lake Cahuilla
The Salton Trough and Colorado River Delta from space
Present day drainage system of the Salton Sea
The present-day Alamo River