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OpenStreetMap (OSM) Colorado is a local collaboration of people interested in contributing their efforts to create free maps. We encourage all of our mappers to organize or suggest mapping events throughout Colorado. Meetup activities can be simple social mixers, OSM basic to advanced training, or community mapping parties, which may include: hiking, skiing, mapping an entire town, and more. We also work with other groups on mapping, GIS and volunteer projects.

OpenStreetMap is a collaborative and world-wide community of more than 1,000,000 mappers who are working together to build a free street level map of the world.

If you are new to OSM, visit the New Mappers page.

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Committed to Mapping Denver, Front Range and Points West!

  • Nov 14, 2016 · 5:00 PM

    CSU Mapathon for Mongolia

    8 OSM Mappers

    Volunteers from Colorado State University student body, faculty and the public will map buildings and roads in Ulaanbaatar Mongolia to support the delivery of clean... Learn more
  • Nov 14, 2016 · 4:30 PM

    CU Mapathon for Mongolia

    1 Member

    *** For more info and to RSVP please email Galen ([masked]) *** There is a Mapathon happening Monday, November 14 @ 4:30 - 7pm at CU. This event is happening in concert... Learn more
  • Oct 27, 2016 · 5:00 PM

    CSU Humanitarian Mapathon

    11 OSM Mappers | 5.00

    Volunteers from Colorado State University student body, faculty and the public will map infrastructure to support a humanitarian mission (exact project TBD) …from the... Learn more
  • Oct 26, 2016 · 5:00 PM

    U of Wyoming Humanitarian Mapathon

    1 Member

    Cross posting from OSM Wyoming: http://www.meetup.com/OSM-Wyoming/events/234443100/ Location will be somewhere in Laramie on or near campus. Please RSVP at the above... Learn more
  • Oct 20, 2016 · 5:00 PM

    UNC Humanitarian Mapathon

    47 OSM Mappers | 5.00 | 10 Photos

    The University of Northern Colorado's Geography and GIS department will be hosting an OpenStreetMap Humanitarian Mapathon at Weldwerks Brewery in Greeley. We will be... Learn more
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