Entry No. 1 — the Durango file — filed under: outdoor-weird
Chimney Rock Night Sky & Lunar Standstill Programs
“The moon rises dead between the pillars every 18.6 years — and they knew.”
A thousand years ago, Ancestral Puebloans hauled stone up a 7,600-foot ridge and built a Chacoan great house pointed at two sandstone spires — the only natural marker on Earth for the Major Lunar Standstill, when the moon rises dead between the pillars every 18.6 years. Tree-ring dates put construction in standstill years 1076 and 1093. The interpretive association still works the site after dark: full-moon nights start with an archaeoastronomy lecture, then a flute player plays the moon up over the mesa.
The move: Book the Full Moon Program on Recreation.gov, pack a blanket and two flashlights, and sit on the mesa while a flutist plays the moonrise in.
📍 Before you go The entrance gate is on CO Highway 151, three miles south of US 160 between Durango and Pagosa Springs; check-in for evening programs happens at that gate, then you caravan 2.5 miles up a winding dirt road to the mesa. The final stretch to the Great House climbs about 200 feet in a third of a mile of steep, uneven stone at 7,600 feet, hiked back down by flashlight. Programs are ticketed through Recreation.gov and routinely sell out; the season runs roughly mid-May through September, with bare ground seating, so bring a blanket. Pair it with a soak in Pagosa Springs on the drive back.
- 📍 Chimney Rock
- 💸 Free
- ⚡ Up for anything
- 🌗 Outdoors
Where: 3179 State Hwy 151, Chimney Rock, CO 81121
Hours: Added 2026-06-11 — confirm current hours before you go.
⚠ Seasonal or scheduled — always check before you go.
Plan a visit & invite your people →
Proof: source 1 · source 2 · source 3 · source 4
last checked: 2026-06-11