Special Weather Statement
None

Rainfall from the past week has increased soil moisture to high levels across western Washington. Additional rainfall of of one to three inches is expected with the system today into Wednesday morning. This amount of 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. This rain event could act as a trigger for new landslides. 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

Hannegan Peak Mountain Peaks

Mountain Peaks

Pacific Ranges

Cascade Range

Last Updated: December 16, 2025

Hannegan Peak is a prominent summit located in the Pacific Ranges mountain range, known for its stunning beauty and challenging mountaineering opportunities.

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Summary

With an elevation of approximately 6,186 feet (1,885 meters), it offers breathtaking panoramic views of the surrounding landscape. This peak is situated within the North Cascades National Park in Washington state, making it a popular destination for outdoor enthusiasts.

During the winter season, the snowpack range on Hannegan Peak can vary significantly. Snow accumulation typically begins in November and can persist well into June. The snowpack depth can range from several feet to over ten feet, creating prime conditions for snowshoeing, skiing, and snowboarding. It is important to note that appropriate equipment and backcountry travel knowledge are essential for safe exploration during this time.

Hannegan Peak is nestled within a region that boasts numerous creeks and rivers. One such example is the Nooksack River, which receives runoff from the mountain's snowmelt and contributes to its robust flow. This river is renowned for its scenic beauty and is a popular spot for fishing, kayaking, and rafting.

The name "Hannegan" has historical significance in the region. It is derived from the surname of an early settler, E. C. Hannegan, who was an attorney and politician. While there are no specific legends or lore associated with Hannegan Peak, its rich history and majestic presence make it an enticing destination for mountaineers and outdoor enthusiasts alike.

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Special Weather Statement
Until 2025-12-16T16:15:00-08:00 • National Weather Service
Rainfall from the past week has increased soil moisture to high levels across western Washington. Additional rainfall of of one to three inches is expected with the system today into Wednesday morning. This amount of 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. This rain event could act as a trigger for new landslides. 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