• Photo of the continental divide blanketed in snow. NPS Photo by VIP Schonlau

    Rocky Mountain

    National Park Colorado

There are park alerts in effect.
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  • Old Fall River Road will be closed in 2014 due to flood damage

    Damages on Old Fall River Road are extensive and the road will remain closed to vehicles through 2014. It is unknown at this time whether hikers and bicyclists will be allowed on the road. More »

  • Impacts from September 2013 Flood

    Due to recent flooding, there are still some closures in the park that could affect your visit. More »

Butterfly Species List

The parks diversity of elevations and habitat types helps account for the 141 confirmed species of butterflies found here. See the complete park butterfly species list.

 
Mead's Sulphur butterfly on an alpine wildflower.
The alpine tundra, krummholz, and subalpine openings in the park are the normal habitat of Mead's Sulphur (Colias meadii).
NPS Photo by Stacy Sink

Did You Know?

Ptarmigan in summer camouflage

The ptarmigan is camouflaged perfectly in summer, with "mottled rock" color, and in winter, when it takes on the color of snow.