In 2003, the U.N. designated Dec. 11 as International Mountain Day to highlight the importance of sustainable mountain development and conservation.

Sunrise at Mt. Cammerer in the Great Smoky Mountains

Photo: mikerhicks/Flickr

Mount Cammerer, Great Smoky Mountains, Tennessee

 

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Sunrise at Fitz Roy in Patagonia

Photo: Stuck in Customs/Flickr

Mount Fitz Roy, Patagonia, Argentina

 

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Sunrise over Mt. Rainier and Seattle, Washington

Photo: Dave Morrow/Flickr

Mount Rainier and Seattle, Wash.

 

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Sunrise cloud cap over Mt. St. Helen's in Washington

Photo: telafree/Flickr

Another view of Mount Rainier in Washington state.

 

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Sunrise over Picture Lake near Mt. Baker in Washington

Photo: Dave Morrow/Flickr

Mount Baker, Wash.

 

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Sunrise in the Alps

Photo: Robert Voors/Flickr

European Alps

 

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Sunrise over Mt. Vesuvius in Italy

Photo: Stuck in Customs/Flickr

Mount Vesuvius, Italy

 

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Sunrise over mountains in Wales, U.K.

Photo: midlander1231/Flickr

Wales, England

 

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Hallett's Peak in Rocky Mountain National Park in Colorado

Photo: 12SonOfLama/Flickr

Hallett Peak, Rocky Mountain National Park, Colorado

 

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Sunrise in Yosemite Valley

Photo: kern.justin/Flickr

Yosemite National Park, California

 

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Sunrise at Mt. Edith Cavell, Jasper National Park in Canada

Photo: Babu Juliet-India-Mike Golf/Flickr

Mount Edith Cavell, Jasper National Park, Alberta, Canada

 

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Sunrise at Snowdon Mountain in Wales, U.K.

Photo: Eifion/Flickr

Snowdon Mountain, Wales, England

 

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