Winter Solstice Observation

Winter Solstice Observation

Sunday Dec 21 2025

All day

Chaco and Aztec Ruins
On December 21 and 22, 2025, the public is invited to observe the winter solstice alignment at Chaco Culture National Historical Park and Aztec Ruins National Monument.

Event Information

Chaco and Aztec Ruins
1808 CR-7950, Nageezi, NM and 725 Ruins Road Aztec, NM
Aztec Ruins National Monument
Visit Website
Free
505-334-6174

Check for details about the 2025 Solstice Events at Chaco and Aztec Ruins. 

Chaco and Aztec Ruins Winter Solstice Event

This December, the public is invited to observe the winter solstice at Chaco Culture National Historical Park and  Aztec Ruins National Monument. On December 21st, the sunrise observation at Chaco will take place at the Kin Kletso great house. The sunrise will be aligned with the northern wall of the building. Park staff will open the loop road early at 6:30am. Prior to the opening, visitors should park their vehicles in the visitor center parking lot. The sunrise event will be open to the first 100 visitors on a first come, first-served basis. On December 22nd, the public is invited to observe the sunset alignment at Aztec Ruins National Monument. Attendees should be at the park before 4:30pm. This is a free event.

For questions about these events, please call Aztec Ruins NM at 505-334-6174, or Chaco Culture NHP at 505-786-7014. They hope to see you at either park to celebrate the start of a new season!

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