Some geologists think the dunes were created from blowing sands of the ancient Lake Cahuilla, the predecessor of the Salton Sea.

A maze of ORV tracks across denuded sand, with the pristine North Algodones Dunes Wilderness in the background. Protection of the wilderness - only 13% of the total dunes area - is not enough to ensure species survival. We need your help. Send a letter to the BLM regarding it's management, click here.
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©Andrew Harvey
Center for Biological Diversity