Hike Log

Ontario and Bighorn Peaks

David September 6, 2025
No comments
Trailhead Icehouse Canyon Trail
Type of hike Day hike
Trail conditions Trail in good condition
Road Road suitable for all vehicles
Bugs Bugs were not too bad
Snow Snow free

The first three miles are pretty much straight uphill through the side of the Icehouse Canyon, with lots of tree cover from the sun and a creek trickling away below you on the side of the trail. After you reach the saddle, there’s a section of flat ground for a nice break from the uphill until you make the final push to the summit. Ontario Peak has amazing views of the surrounding LA suburbs; you can see everything for miles! After that I decided to push to the nearby Bighorn Peak, which only added a mile or so to my hike. It has a different view from Ontario Peak and a fantastic view of Mount Baldy. Definitely a more challenging hike, but very rewarding!

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