Cowles Mountain, Mountain summit in San Carlos, San Diego, United States.
Cowles Mountain is a summit in San Diego rising to 486 meters with a round-trip hiking route of about 3 miles through varied terrain. The main trailhead starts at Golfcrest Drive, and the path gains roughly 290 meters in elevation as it climbs toward the top.
The mountain takes its name from George A. Cowles, a rancher and businessman who held influence in the San Diego region during the 1870s and 1880s. The name honors his role in shaping the area's development.
For decades, students from San Diego State University painted a large letter on the mountainside as a student tradition, until environmental protection rules stopped the practice. This symbol was a recognizable landmark and became part of the local community's sense of place.
The trail is well-marked with multiple routes to the summit, and the main entrance is at Golfcrest Drive. Wear sturdy shoes and bring water, as the path offers little shade during the climb.
The rock formation consists of Jurassic and Cretaceous metavolcanic rocks that stand out sharply against the sedimentary deposits that surround the area. This geological contrast tells the story of different geological periods at the same location.
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