This cache was placed near a cistern ---Cisterns in this area is a collection made to save water for the animals in this area. Of course they only work when it Rains but the thought is good. As you travel to this cache PO has been spotted in the area so make sure you stay on the path. There is no Poison oak at cache site on day of placement. Enjoy the Cistern that was made for Quails and other bird life in the area.