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Aries (mountain) facts for kids

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Humes Glacier and Aries.jpg
Aries (upper left) and Humes Glacier, from ESE
Highest point
Elevation 6,533 ft (1,991 m)
Prominence 373 ft (114 m)
Isolation 0.61 mi (0.98 km)
Parent peak Circe (6,847 ft)
Aries is located in Washington (state)
Location in Washington (state)
Aries is located in the United States
Location in the United States
Location Olympic National Park
Jefferson County, Washington, US
Parent range Olympic Mountains
Topo map USGS Mount Olympus
Age of rock Eocene
Easiest route class 3 scrambling via NW side

Aries is a 6,533-foot (1,991-metre) mountain summit located within Olympic National Park in Jefferson County of Washington state. Its neighbors include Mount Olympus, 2.46 mi (3.96 km) to the west, and Mount Mathias 1.11 mi (1.79 km) to the northwest. Aries is wedged between the Hoh Glacier and the Humes Glacier, and immediately northeast of Blizzard Pass. Precipitation runoff from the mountain drains into headwaters of the Queets and Hoh Rivers. This mountain was named by glaciologists Richard Hubley and Edward LaChapelle in 1955, in preparation for the International Geophysical Year. It is named for Aries in keeping with the Greek and Roman mythology naming theme surrounding Mount Olympus.


Based on the Köppen climate classification, Aries 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 Olympic Mountains. As fronts approach, they are forced upward by the peaks of the Olympic Range, causing them to drop their moisture in the form of rain or snowfall (Orographic lift). As a result, the Olympics experience high precipitation, especially during the winter months. 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. The months July through September offer the most favorable weather for viewing or climbing this peak.


The Olympic Mountains are composed of obducted clastic wedge material and oceanic crust, primarily Eocene sandstone, turbidite, and basaltic oceanic crust. The mountains were sculpted during the Pleistocene era by erosion and glaciers advancing and retreating multiple times.

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