International Dark-sky Association
Great Sand Dunes National Park and Preserve. Photo: NPS/Patrick Myers
Featured Coming Events
Crestone Dark Sky Celebration
May 14-15, 2021
IDA Colorado - Part of the Solution
A three-minute video introduction
Below: Slumgullion Center, a Colorado Dark Sky Park, Michael Underwood photo.
Tools for Advocates
IDA Colorado Calendar
IDA Colorado Newsletter Archive
IDA Colorado News
Recommended Links for Advocates
Join the International Dark-sky Association
IDA members with a Colorado mailing address are automatically part of the Colorado chapter.
Colorado chapter members get a monthly newsletter and other benefits.