- Webcam down until further notice. Lake Arrowhead is located in the mountains of Southern California. Lake Arrowhead, part of the San Bernardino National Forest, is just 90 miles east from Los Angeles. Lake Arrowhead is a paradise of outdoor recreation and year-round beauty. We invite you to discover this breath-taking alpine wonderland. Within these pages you will find a wealth of information to ...www.lakearrowhead.net