International Dark Sky Reserves

An IDA International Dark Sky Reserve is a public or private land possessing an exceptional or distinguished quality of starry nights and nocturnal environment that is specifically protected for its scientific, natural, educational, cultural, heritage and/or public enjoyment. Reserves consist of a core area meeting minimum criteria for sky quality and natural darkness, and a peripheral area that supports dark sky preservation in the core. Reserves are formed through a partnership of multiple land managers who have recognized the value of the natural nighttime environment through regulations and long-term planning.

Certified IDA International Dark Sky Reserves

Designate an International Dark Sky Reserve

IDA designates International Dark Sky Places following a rigorous application process requiring applicants to demonstrate robust community support for dark sky protection and document designation-specific program requirements. Learn more and start the process here.

Download the current International Dark Sky Reserve guidelines

2018 International Dark Sky Reserve Guidelines

2021 Submission Deadline Dates

Resources for applicants

For current International Dark Sky Reserves

Writing Dark Sky Reserve Annual Reports