Bommer Canyon, Natural canyon in Irvine, United States
Bommer Canyon is a natural canyon in the southern part of Irvine, California, lined with oak trees, sycamores, and rocky slopes that give it a dry, rugged character. Trails for hikers and cyclists run through the canyon floor and along its ridges, following the contours of the land.
The canyon was part of the Irvine Ranch, one of the largest private landholdings in Southern California, where cattle grazed across its floor for much of the 20th century. Over time, the land was gradually opened to the public as part of a broader effort to protect open space in Orange County.
The name Bommer comes from a family that farmed the land in the late 19th century, and that connection still shapes how locals talk about the place today. Hikers often pass old fence lines and cattle troughs without realizing they are walking through what was once a working ranch.
Some sections of the canyon require advance registration or permits, so checking ahead before arriving is a good idea. Early morning visits tend to be cooler and less crowded, which makes the trails easier to enjoy.
The Cattle Camp area within the canyon still holds original ranch buildings from the grazing era, and they are occasionally used for community gatherings today. It is one of the few spots in Orange County where you can stand inside a historic ranch structure while surrounded by open wilderness.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
