Here we go. Top photo as you walk into what looks like a blocked area. Bottom photo, obviously we found our way in to the Valley which really more of a bowl or cirque.

http://digital-desert.com/joshua-tree/h ... vis01.html The rocks ringing the valley block the wind and collect moisture, creating a special microclimate that supports many plant and animal species. This secluded valley has also appealed to humans, both past and present, as a source of food, protection, and for its special beauty.