Protecting the night skies of Colorado's Western Slope
through education, advocacy, and community action.
The Western Slope Dark Sky Coalition is a regional nonprofit dedicated to preserving natural night skies across San Miguel, Montrose, Ouray, and Dolores Counties.
We support communities, businesses, and residents in adopting dark‑sky‑friendly practices that protect wildlife, human health, and our shared sense of wonder.
What We Do
Community Education
Lighting Assessments
Advocacy & Policy Support
Support Member Star Parties & Events
Current Members of the Western Slope Dark Sky Coalition
Naturita & Nucla - International Dark Sky Joint Community
Town of Silverton - Actively pursuing International Dark Sky Community Certification
Town of Ophir - Actively pursuing International Dark Sky Community Certification
San Miguel County - Actively pursuing membership with the Coalition and International Dark Sky Reserve Certification
Take Simple Steps to Protect the Night Sky
Even small changes make a big difference. Here are 5 easy ways to use light responsibly:
1. Use light only when and where it's needed.
2. Keep light shielded and directed downward.
3. Use warm-colored bulbs (3000K or lower).
4. Keep brightness low.
5. Be a community example.
Ways to Get Involved
Whether you're a resident, business owner, or visitor, there are many ways to support dark skies:
Volunteer
Become a Dark Sky-Friendly Business
Host a star party
Donate to support our work