Major Lunar Standstill - Chimney Rock National Monument

Saturday, October 11, 2025 (9:30 PM - 10:30 PM) (MDT)

Description

The Major Lunar Standstill (MLS) is a rare astronomical event that occurs every 18–19 years, when the Moon rises at its farthest points on the horizon. At Chimney Rock National Monument, the Moon dramatically rises between Companion Rock and Chimney Rock, a phenomenon the Ancient Puebloans likely built ceremonial sites to observe over a thousand years ago.

To celebrate this season’s MLS before it ends in 2025, one last special late-night event will be held at the Amphitheater near the Visitor Center. Programs include expert talks on astronomy, archaeology, and Native culture, Native American music, stargazing with telescopes, and a live-streamed view of the Moon rising between the pinnacles.

Saturday, October 11

  • Check-in: 8:30–9:15 PM at the Visitor Center
  • Presentations begin: 9:30 PM
  • Live-streamed moonrise: 10:20 PM

Tickets: $25 adults, $12 ages 5–12, free under 5. Reservations required through Recreation.gov (877-444-6777). Seating is limited; reservations close 12 hours before. Walk-ins only if space allows.

Notes:

Dress warmly and bring blankets/cushions for comfort.

No alcohol, drugs, or smoking/vaping.

Certified service dogs only.

Weather may cause modifications or cancellations. Refunds only if the entire event is canceled.

The next MLS won’t occur for another 18 years — don’t miss this once-in-a-lifetime experience!

Pricing

$25 adults, $12 ages 5–12, free under 5.

Chimney Rock Archaeological Area is located 17 miles west of Pagosa Springs and 3 miles south on HWY
3179 State HWY 151
Chimney Rock, CO 81121 United States
Saturday, October 11, 2025 (9:30 PM - 10:30 PM) (MDT)
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