Special Weather Statement
None

Significant rainfall over the past week has increased soil moisture to high levels across western Washington. This significant rain will continue to put extra pressure on soil instability, leading to an increased threat of landslides and debris flows, especially from recent burned areas, with additional rainfall acting as a trigger. Numerous landslides have already occurred in Whatcom, Skagit, King Counties and others. More landslides continue to be possible. Areas most susceptible to landslides debris flows under these conditions are steep coastal bluffs, other steep hillsides or road cuts, and recent burned areas. A diminishing threat of landslides and debris flows will continue for several days after the rain ends. For more information about current conditions, visit www.weather.gov/seattle, select Hydrology, and then scroll down for the links to the landslide information pages. For more information on landslides, visit the website for the Washington State Department of Natural Resources landslide geologic hazards at: http://bit.ly/2mtA3wn

Sentinel Peak Mountain Peaks

Mountain Peaks

Pacific Ranges

Olympic Mountains

Last Updated: December 19, 2025

Sentinel Peak, also known as Mount Cheam, is a prominent mountain located in the Pacific Ranges mountain range of British Columbia, Canada.

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Summary

Rising to an impressive elevation of 2,100 meters (6,890 feet), this peak offers breathtaking panoramic views of the surrounding Fraser Valley and the nearby Cascade Mountains.

During the winter season, Sentinel Peak is blanketed in a thick layer of snow, creating ideal conditions for winter sports enthusiasts. The snowpack range varies depending on the year, but it typically ranges from 1 to 2 meters (3 to 6 feet) in depth. This makes it a popular destination for snowshoeing, skiing, and snowboarding.

Several creeks and rivers benefit from the mountain's runoff, including the Chilliwack River, Foley Creek, and the Cheam Creek. These waterways are known for their pristine waters and support various forms of aquatic life, making them attractive for fishing and hiking enthusiasts.

In terms of history, Sentinel Peak derives its alternate name, Mount Cheam, from the word "Chilliwack," which means "quieter water" in the indigenous Halq'eméylem language. The mountain holds great cultural significance to the local Sto:lo First Nations, who have used it as a traditional gathering place for centuries.

In conclusion, Sentinel Peak, or Mount Cheam, is a stunning mountain in the Pacific Ranges mountain range. With its impressive elevation, winter snowpack, and significant runoff into nearby creeks and rivers, it offers a wide range of outdoor activities for nature lovers. Its rich history and cultural importance further add to its allure, making it a must-visit destination in British Columbia.

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Special Weather Statement
Until 2025-12-20T17:00:00-08:00 • National Weather Service
Significant rainfall over the past week has increased soil moisture to high levels across western Washington. This significant rain will continue to put extra pressure on soil instability, leading to an increased threat of landslides and debris flows, especially from recent burned areas, with additional rainfall acting as a trigger. Numerous landslides have already occurred in Whatcom, Skagit, King Counties and others. More landslides continue to be possible. Areas most susceptible to landslides debris flows under these conditions are steep coastal bluffs, other steep hillsides or road cuts, and recent burned areas. A diminishing threat of landslides and debris flows will continue for several days after the rain ends. For more information about current conditions, visit www.weather.gov/seattle, select Hydrology, and then scroll down for the links to the landslide information pages. For more information on landslides, visit the website for the Washington State Department of Natural Resources landslide geologic hazards at: http://bit.ly/2mtA3wn