In the heart of El Cajon, easily undetectable to the naked eye, lies a little slice of paradise and a great resource for those wanting to know more about San Diego County’s efforts in water efficiency. The Water Conservation Garden is a six-acre outdoor space and educational exhibit that showcases water efficiency through a series of beautiful and immersive themed gardens, such as a native plant garden and a vegetable garden, as well as how-to displays on mulching and irrigation techniques.