Mount Bradley is a summit in Siskiyou County, California, in the United States. It is in the Shasta–Trinity National Forest with an elevation of 5,563 feet (1,696 m). The peak rises over 3,000 feet (900 m) above City of Dunsmuir, California and the Sacramento River. Though it is entirely surrounded by private land, the summit, which is the site of Forest Service lookout tower, can be reached by way of the Castle Lake Trail.