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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!


Recent Meetups

  • September 14 · 6:00 PM

    #MSUHOT2017 MSU Denver Humanitarian Mapathon

    6 OSM Mappers

    Mapathon on Auraria Campus 6pm-8pm for areas affected by Hurricane Irma, the earthquake in Mexico, and other areas. Come and join us for mapping fun, free pizza(!), and... Learn more

  • September 14 · 5:00 PM

    CSU Humanitarian Mapathon

    10 OSM Mappers

    Volunteers from Colorado State University student body, faculty and the public will map infrastructure to support recovery efforts from the recent earthquake in Mexico …... Learn more

  • August 17 · 7:00 PM

    Mapbox Meetup in Denver

    7 OSM Mappers

    My company, Mapbox, is doing a meetup next week to share some tech and meet local Denver engineers (I work remotely from Denver. Mapbox has a highly diverse culture and... Learn more

  • August 13 · 2:00 PM

    OpenStreetMap's 13th Birthday

    5 OSM Mappers | 5.00

    Hey everyone, OSM becomes a teenager this year; let's celebrate! The official date is August 9th, however most will be celebrating over the 12-13th weekend.  If you... Learn more

  • April 25 · 5:00 PM

    FRCC Humanitarian Mapathon

    11 OSM Mappers | 5.00

    Volunteers from the Front Range Community College student body, faculty and the public will map infrastructure to support a humanitarian mission (La Ceiba, Honduras) …... Learn more

  • See all past Meetups

What's new

  • Russell Deffner founded OSM Colorado

    on July 8

Founded Jul 8, 2010

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