• 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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Longs Peak

Keyhole Route Information
For general information and answers to Frequently Asked Questions about climbing Longs Peak-Keyhole Route, click here.


Longs Peak from the Battle Mountain, September 19, 2014


Longs Peak Conditions (as of September 19, 2014)

Conditions in Rocky Mountain National Park can change at any time. Travelers should expect to encounter rain, hail, sleet, snow, lightning, and any other weather imaginable when travelling in the mountains. Please take appropriate gear to endure these changing conditions. Also, be prepared to turn around when conditions exceed your abilities.

Remember your safety is in your own hands.

Longs Peak Trail

The Longs Peak Trail is dry all the way to the Boulderfield. The trail may still be covered in some places by standing water, especially after severe rain and thunderstorms.

Keyhole Route Conditions

Currently, the route past the Keyhole is wet but free of snow and ice. Projected temperatures and weather for the coming week will likely lead to the accumulation of snow and ice on route. Please be prepared for these conditions.

Looking across the Ledges, September 19, 2014
Looking at the Trough from the Ledges, September 19, 2014

Chasm Lake Trail

The trail to Chasm Lake including the traverse just before the lake are snow free.

Chasm Traverse
A visitor hiking the Chasm Lake traverse, August 3rd, 2014.

Did You Know?

a photo of the mountains at treeline

Temperature causes tree line. Trees need an average growing temperature of about 50 degrees fahrenheit.