2026-01-01T22:00:00-08:00
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southwest California, including the following areas, Orange County Coastal Areas, Orange County Inland Areas, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire and Santa Ana Mountains and Foothills. * WHEN...Until 10 PM PST this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Minor flooding and debris flows possible in and below recent burn scars. * ADDITIONAL DETAILS... - A warm low pressure system from the southwest will bring periods of moderate to locally heavy precipitation through Thursday evening. The heaviest showers occurred this morning. High soil moisture from last week's heavy rainfall and will exacerbate the flooding threat in the watch area. - https://www.weather.gov/safety/flood
Summary
With an elevation of approximately 8,696 feet (2,651 meters), it offers breathtaking panoramic views of the surrounding San Gabriel Mountains. This majestic peak is a popular destination for mountaineers and hikers alike, attracting outdoor enthusiasts year-round.
During the winter season, Ontario Peak experiences a significant snowpack. Snow levels can vary depending on the year, but typically range from 2 to 5 feet in depth. This makes it an ideal destination for winter sports enthusiasts, such as snowshoeing and backcountry skiing.
Several creeks and rivers in the area benefit from the runoff of Ontario Peak. The North Fork Lytle Creek, Cucamonga Creek, and Middle Fork Lytle Creek all receive water from the melting snow and ice of the peak. These water sources contribute to the ecological diversity of the region and provide crucial habitats for various plant and animal species.
The name "Ontario" is said to have been derived from a Native American word meaning "beautiful water" or "sparkling water." It is believed that the name was given due to the pristine creeks and rivers that flow from the mountain. Additionally, the surrounding area is rich in lore and legends related to the indigenous tribes that once inhabited the region. Exploring the history and folklore surrounding Ontario Peak adds an extra layer of intrigue to this already captivating mountain.
Weather Forecast
Regional Streamflow Levels
0
Cubic Feet Per Second
1
Cubic Feet Per Second
270
Cubic Feet Per Second
1
Cubic Feet Per Second
Area Campgrounds
| Location | Reservations | Toilets |
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Kelly Camp
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Cedar Glen Campground
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Manker
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Manker Flat Campground
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Manker Flat
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Commanche
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