• Photo of park visitors enjoying sunset from the Alpine Ridge Trail in Rocky Mountain National Park.

    Rocky Mountain

    National Park Colorado

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Lily Lake

a photo of Lily Lake
Lily Lake is easily accessible and a great place to look for paedomorphic tiger salamanders in Rocky Mountain National Park.
Photo courtesy of Rocky Mountain National Park.

Did You Know?

a photo of gneiss (a metamorphic rock)

The oldest rocks in the park are metamorphic (biotite schist and gneiss) estimated at 1.7 billion years old, making them some of the oldest rocks within the National Park System.