2025-12-26T16:00:00-08:00
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southwest California, including the following areas, Apple and Lucerne Valleys, San Bernardino County Mountains and San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...From midnight PST tonight through Friday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Extensive heavy rainfall in the San Bernardino Mountains that resulted in instances of flash flooding and debris flow in the mountains and adjacent drainages in the northern Inland Empire and High Desert yesterday have saturated the soils and drainage banks. An additional 1-3 inches (and locally up to 4 inches) of rainfall is expected in the mountains Friday. While rainfall rates will be generally lighter than yesterday (closer to 0.3-0.6"/hr), the saturated soils and drainage banks will likely be more susceptible to flash flooding with the additional rainfall. Snow levels will generally be around 7500-8000ft for this secondary round of precipitation into Friday. - 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
34
Cubic Feet Per Second
12
Cubic Feet Per Second
1
Cubic Feet Per Second
880
Cubic Feet Per Second
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
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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