Ontario Peak Trail

Cucamonga Wilderness, California 91313

Elevation Gain1,677ft
Trailhead Elevation7,566ft
Elevation Min/Max7564/8693ft
Elevation Start/End7566/7566ft

Ontario Peak Trail

Ontario Peak Trail is a hiking trail in San Bernardino County, California. It is within Cucamonga Wilderness. It is 2.5 miles long and begins at 7,566 feet altitude. Traveling the entire trail is 5.1 miles with a total elevation gain of 1,677 feet. The trail ends near Ontario Peak (elevation 8,661 feet) and the Icehouse Saddle. There are also information guideposts near the end of the trail. This trail connects with the following: Three Ts Trail and Cucamonga Peak Trail.

Ontario Peak Trail Professional Guides

Detailed Trail Descriptions from Our Guidebooks

Afoot and Afield: Inland Empire (Wilderness Press)
David & Jennifer Money Harris
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"Ontario and Cucamonga Peaks form an imposing wall overlooking the western end of the Inland Empire. They rise more than a vertical mile from the endless subdivisions at the 2000-foot base to the summits at almost 9000 feet. Ontario Peak is one of the classic climbs of Southern California. It is named for the town of Ontario, which in turn was named by the founding Chaffey brothers for their home province of Ontario, Canada. The easiest way to the summit is to ascend the Icehouse Canyon Trail, then turn southwest and hike up past Kelly Camp along the long ridge to the summit. The north side of the ridge can be deceptively icy in early summer and after the first storms of the fall."
Best Hikes with Dogs: Southern California (The Mountaineers Books)
Allen Riedel
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"Icehouse Canyon is definitively among the most popular areas in the San Gabriels. Easy access to the flowing stream, trickling cascades, old ruins, and tranquil forest beauty offer quick rewards to families, couples, and anyone wanting a little away time from the pressures of the city. The splendor here is undeniable with everything you would expect to see in a forest, including wildlife and towering trees. On the weekends, it is not uncommon for the trailhead parking lot to be over flowing. You will find people picnicking, playing in the stream, and even taking a very frigid soak in some of the larger pools along the way. The steepness of the Icehouse Canyon Trail discourages all but the hardiest of hikers in continuing on to one of the many peaks in the vicinity, but the variety of options at the top guarantee plenty of outdoor types on the trail. Getting an early start or taking a weekday excursion is the best way to ensure solitude."

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Trail Information

Cucamonga Wilderness
Nearby City
Cucamonga Wilderness
Angeles National Forest
Local Contacts
USGS Cucamonga Peak; Mount Baldy
Local Maps

Trail Log