 The landscape around Keswick Dam includes topographic features of the Klamath Mountains, the southern Cascade Range, and the Central Valley, including slopes characterized by a mix of pine and oak forests and chaparral and rock outcrops.The land on which the nearby city of Redding, California, was built is primarily made up of volcanic and sedimentary rocks that are metamorphosed.Two volcanic features – Mount Shasta and Lassen Peak – can be seen from numerous vantage points throughout the area.