Version 2.1Released on August 19, 2015
- Fix Corrected a bug that crashed the app when viewing the details of a dark site
- Improved Many more dark sites contributed around the globe (now at 1,100+ and counting!)
Dark Sky Finder helps you locate nearby dark skies to take a telescope, watch a meteor shower, or simply relax under the stars. See light pollution maps of the entire world, along with dots to indicate good observing locations. Each dark site includes reviews, directions, information, Clear Sky Charts, and more.
Get it now on the App Store!
Look up at night in the citysee that glow? That's light pollution. Light pollution maps of the entire world are overlaid on top of the standard, satellite, or hybrid map. Dark Sky Finder includes the most recent light pollution data compiled by David Lorenz.
Escape to dark skies in 1,000+ locations around the world. These dark sites are indicated by pindrops on the map in Dark Sky Finder. Each site includes user reviews, directions, and information on sky conditions, important notes, parking, fees, bathrooms, camping, weather, and much more.
Users can make a contribution by adding or editing a dark site for everyone to enjoy. Once a user visits a site, they can also leave a review.
Finds the nearest Clear Sky Chart* to pull in information on transparency, seeing, and other conditions relevant to telescope observers.
Tap on the map legend to toggle between the Bortle Scale and a more basic scale. Read more about the Bortle Scale for measuring light pollution in the About tab.
For support or to give feedback, get in touch by clicking Contact above. You will receive a prompt response, usually in a few minutes to an hour. Feedback is always appreciated!
* Dark Sky Finder is not affiliated with Clear Sky Charts.
Dark Sky Finder is available as a Universal Appone purchase for iPhone, iPad, and iPod Touch.
Please fill out the form below for support, feedback, general questions, or press inquiries.
You can also get in touch by emailing .
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Dark Sites Database
Many thanks are due to Jonathan Tomshine for the resources and assistance he provided, including the large initial database of dark sky sites.
Light Pollution Map (2006)
Another huge thanks are owed to David Lorenz, who created and published the 2006 light pollution maps for the entire world. His website can be found here.
Clear Sky Charts
Thank you to Attilla Danko for the wonderful resource he built for astronomers.
Many of the features in this app are a result of the beta testers' hard work. This app would not be the same without the time they put into reviewing it and suggesting improvements.
Special thanks to: McKenzie Skidmore, Rob Campbell, Tom Karpf, and Syed Saifullah
Florin Andrei, Jason Brown, Marco Calderon, David Cushing, Terry Fishlock, Jeffrey Fox, Mark Friedman, Kevin Gilliland, Jordan Gonzales, Lisa Grams, Drew Jolesch, Tanya Mendenhall, Dwane Miles, Jack Murtha, Mike Rector, Alfredo Viegas
The dark sites listed in this app are added and maintained by the public community. These sites are NOT reviewed in person or endorsed by Dark Sky Finder or Skidmore Apps (Skidmore Properties, LLC). Skidmore Apps does not verify the accuracy of any information listed with each dark site contained in the app.