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Anza Borrego - Fish Creek Wash - Wind Caves
Fish Creek Wash is an easy 4WD route that passes through Split Mountain, winding through a gorge between the Vallecito and Fish Creek Mountains. View this area, including the "anticline," an unusual formation created during an earthquake 5 million years ago, the Elephant Knees mud hill formation, and the sculpted Wind Caves.

Windmills
As the sun heats the earth's surface it also creates wind. As the air over land warms, it rises, and cooler, heavier air rushes in to takes its place. This process creates wind. In the 1920s and 30s, windmills were the single source of power for farmers and ranchers. Today windmills are being used to generate electricity.