As I continued my hike into Pushawalla Canyon, I was amazed by the beauty there. You cannot see the canyon from the road. I've lived here in the desert over 30 years and I never knew this canyon was there! My cousin often rides her horses here (that's her on one of her horses), but until this Spring, I had never visited it. She kept telling me, "Oh, come on! I want to show you something else!" But, when we got to the running water, I turned back as I did not wish to wade through it! It's different when you are up on a horse and I wasn't on horseback. I enjoyed my visit to the hidden canyon and would like to go back sometime with my husband. It's always interesting to find an oasis like this one in the desert, but they are fairly common here. The reason they are so common is that they occur along our fault lines. The San Andreas fault runs through our valley and thus there are several oases. The water actually bubbles up from cracks in the crust and palm trees grow along these fault lines. Tomorrow I'll show you some of the geological features that indicate fault activity. Nature Notes for May 13, 2010.