The Palomar Observatory was completed on the summit of Palomar Mountain in 1936. The peak's high elevation, and remoteness from light pollution then, allowed for excellent astronomy and star viewing.
Palomar Mountain State Park
The Palomar Mountain State Park protects much of the range's native plant and animal habitat that is located on Palomar Mountain. It also provides recreation activities, such as hiking and camping. The higher areas in the park serve as a cooler natural retreat from the hot summers of Southern California.