Sierra Azul Open Space Preserve has 6 named peaks. The highest is Mount Umunhum at 1,063 m. Other notable peaks include Mt. El Sombroso, Collords Peak and Bald Mountain.
There are 6 named mountains in Sierra Azul Open Space Preserve. The highest and the most prominent mountain is Mount Umunhum.

The highest peak in Sierra Azul Open Space Preserve is Mount Umunhum, at 1,063 m.
Notable peaks in Sierra Azul Open Space Preserve include Mount Umunhum, Mt. El Sombroso, Collords Peak, Bald Mountain and Priest Rock.
