Summit Log
Black Mountain summit hike, Black Mountain Open Space Park, Rancho Peñasquitos, San Diego, California

Black Mountain

1,554 ftElevation
Black Mountain Open Space Park, Rancho Peñasquitos, San Diego, CaliforniaLocation
March 18, 2025Date
~4 mi round trip via the Nighthawk TrailRound Trip
849 ftElevation Gain
Moderate — steady climb, minimal shade, popular multi-use trailDifficulty

Black Mountain rises out of the middle of Rancho Peñasquitos, one of San Diego's biggest chunks of open space and an easy, close-to-home summit. The Nighthawk Trail climbs steadily through chaparral and coastal sage scrub, well-maintained and shared with plenty of other hikers, runners, and mountain bikers out enjoying the same clear day.

A couple of wooden benches along the ridge made for good excuses to stop and take in the view before the final push — rolling valley, distant rooftops, and hills stretching out in every direction. The true summit is marked with a simple wooden sign reading 'Black Mountain, 1554 Feet,' tucked next to a small cluster of antennas at the high point.

A short, satisfying hike for a Tuesday — steady rather than steep, with enough open-valley views along the way to make the climb worth it, and a good bench at the top to sit and enjoy a snack before heading back down.

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