I agree with jbottero. First if you look closely at the car tracks around the rim it isn't like a track. Second if you google for pictures of kite surfing here you find them all out in the dusty lake bed, not on a track. In fact i think there are a couple up to the NNW if you look closely.
http://bbs.keyhole.com/ubb/showthreaded.php/Number/31283