Longs Peak Keyhole Route US National Park ServiceAtmospheric conditions on Longs Summit is volatile. Conditions at the summit of Longs Peak could shift significantly. It is vital to check the forecast and be prepared for any kind of climate conditions ascending Longs Summit. The peak is noted for its abrupt climate variations and risky weather
events. Wearing the right clothes in multiple layers and carrying extra equipment like precipitation jackets, caps, and gloves is crucial to stay safe from the elements.