FORT COLLINS → DENVER → TRINIDAD / GUIDED BRANCH
Let someone show you the sky in Denver, Front Range & Pikes Peak.
Use Fort Collins / Denver / Trinidad as the launch if it fits your trip, then let Denver, with Colorado Springs for the south end become the practical base once you are in the region. These are the hosted nights connected to that road.
Getting into the region
Treat the Front Range as Colorado's long north-south urban and foothill corridor. Fort Collins belongs inside the northern edge, Denver is the central hinge, Colorado Springs and Pueblo carry the region south, and Trinidad marks the southern end before the geography changes toward the San Luis Valley and southeast plains.
Guided nights
Rather take your own road? Switch branches ↗AstroTours.org Boulder Astronomy Tour
A recurring two-hour guided telescope night at the Bortle 4 Boulder Valley Ranch observing site, with an astronomer guide and laser-guided sky interpretation.
OPEN EVENT ↗RECURRING / Tuesdays and Thursdays, with occasional SaturdaysChamberlin Observatory Astronomy Nights
Denver Astronomical Society Astronomy Nights combine a multimedia astronomy presentation with weather-permitting observing through Chamberlin Observatory's historic 20-inch refractor.
OPEN EVENT ↗RECURRING / Monthly Saturday dates on the DAS calendarChamberlin Observatory Open House Star Parties
Denver Astronomical Society's monthly Open House is a free mini-star party on Chamberlin Observatory's south lawn with member telescopes and weather-permitting access to the 20-inch refractor.
OPEN EVENT ↗RECURRING / Available reservation nights through October 12, 2026Estes Park Memorial Observatory Public Observing — 2026
Estes Park Memorial Observatory is accepting 2026 stargazing reservations through October 12, with one approximately two-hour session per night and a 14-person dome limit.
OPEN EVENT ↗UPCOMING / October 3, 2026Florissant Fossil Beds Night Sky Event — October 3, 2026
The final published 2026 Florissant night-sky event brings Colorado Springs Astronomical Society telescopes and astronomers to the park visitor center on October 3.
OPEN EVENT ↗SCHEDULE STALE-UNVERIFIED / No current 2026 public date verifiedLittle Thompson Observatory Public Star Nights
Little Thompson Observatory remains an active facility, but its published reservation page still references August and September 2025, so this guide does not present an unverified 2026 public star-night date.
OPEN EVENT ↗Check once more before the drive
Back to Denver, Front Range & Pikes Peak ↗Programs change faster than landscapes. Open the organizer link on the event page for the current date, weather call and booking details.