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This cache has been archived.

Rock Rabbit: The cache owner is not responding to issues with this listing, so I must regretfully archive it.


Rainier Summit Earthcache

A cache by run4cache Send Message to Owner Message this owner
Hidden : 08/01/2005
5 out of 5
5 out of 5

Size: Size:   not chosen (not chosen)

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Geocache Description:

This cache takes you just below the 14,410 foot summit of Mt. Rainier where you will discover present thermal activity in this exact spot in the summit crater.

Mt. Rainier is one of the greatest climbing challenges in North America. Doing this cache poses considerable risk and hardship. Do not attempt this cache without proper training and preparation. Hazards include weather, avalanches (I saw two large ones while there setting up this cache), rock fall, altitude sickness and much more! You also will need to get a climbing permit. To log this cache please feel the rocks and mud at the posted coordinates and describe them to me in an email. Add a photo to your log if you can.

Seven significant thermal areas above 3,350 meters on the volcano, including one at the summit, which reflects a narrow, central hydrothermal system forming steam-heated snowmelt at the summit craters and localized leakage of steam-heated fluids within 2 kilometers of the summit. Active fumaroles were recognized at the summit of Mount Rainier at the time of the first authenticated climb to the top of the volcano in 1870, and the lavas of the summit cone have locally been hydrothermally altered to a loose, sandy, clay-bearing material. The evidence now available clearly indicates that all the large clayey lahars at Mount Rainier were derived from areas of hydrothermally altered rock on the volcano.

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