page_title: Chimney Rock (Washington)
section_title: Climate
hierarchical_section_title: Chimney Rock (Washington) / Climate
caption_attribution_description: English: Chimney Rock east aspect, from PCT
context_page_description: Chimney Rock is a mountain located in the Alpine Lakes Wilderness of the Central Cascade Range in western Washington, United States. The mountain has two main summits, a northeast spire and a central spire, as well as a minor south peak. Situated 10 miles NNE of Snoqualmie Pass, with its craggy appearance Chimney Rock is the most distinctive peak on the crest dividing the Snoqualmie River and Yakima River drainage areas. Lemah Mountain is to the south on the crest, and Summit Chief Mountain to the northeast. Overcoat Peak is off the main ridge just to the north of Chimney Rock. The mountain has three glaciers: the Overcoat Glacier on the north, the Chimney Glacier on the south and east, and an unnamed glacier on the east side of the North Peak.
  The Main Peak was a prized climbing object in the first half of the 20th century. A report of a party reaching the summit in 1923 turned out to be false, as it had climbed Lemah instead. A group of climbers who made an attempt in 1925 declared the summit as probably impossible.
context_section_description: Chimney Rock is located in the marine west coast climate zone of western North America. Most weather fronts originate in the Pacific Ocean, and travel northeast toward the Cascade Mountains. As fronts approach, they are forced upward by the peaks of the Cascade Range, causing them to drop their moisture in the form of rain or snowfall onto the Cascades (Orographic lift). As a result, the west side of the Cascades experiences high precipitation, especially during the winter months in the form of snowfall. During winter months, weather is usually cloudy, but, due to high pressure systems over the Pacific Ocean that intensify during summer months, there is often little or no cloud cover during the summer. Because of maritime influence, snow tends to be wet and heavy, resulting in avalanche danger.
caption: Chimney Rock (east aspect) to right, seen from PCT. (Lemah to left)
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