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10 parks for the serious rock climber

Rock climbing at Mount Rainier National Park

Photo: Patrick Lewis/Flickr

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Mount Rainier National Park

Barely half of the more than 10,000 people who climb Mount Rainier every year successfully make it to the summit, but those who do can say that they've climbed over 9,000 feet over about 8 miles to the glacier peak of this active volcano. Braving harsh, constantly changing winter weather conditions pays off with an amazing view over 14,410 feet above sea level.