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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!
Upcoming Dates:
- All day Sunday, December 21, 2025 View other events on this day
- All day Monday, December 22, 2025 View other events on this day

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