Tools for Finding Dark Sky Sites

Topozone: High detail topo maps of the U.S.

Mapquest: Good for driving direction and estimating travel time


Terraserver: Satellite Photos

Puget Sound Dark Sky Map: Light pollution maps - The "link roadmap" and "link topomap" functions are great.

Google Earth with Light Pollution Overlays available for download from  To get there, find a nearby clear sky clock, click on the "Light Pollution" link, and then click on the "image overlay" link right above the light pollution map.

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Last Updated: 2/3/08