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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Recent Meetups

  • April 27 · 4:00 PM

    OSM Basics

    3 OSM Mappers

    From Brandon Lemire, intern at the Geospatial Centroid @ CSU: On Monday April 27 at the GIS Co-op we will be discussing OpenStreetMap and how to make simple edits using... Learn more
  • April 11 · 10:00 AM

    US Spring Mapathon 2015 @ CSU in Fort Collins

    9 OSM Mappers | 4.50 | 1 Photo

    • Directions to the Library: • • Library Location: • • Location within Library:... Learn more
  • March 23 · 6:15 PM

    Let's have a Mappy Hour

    14 OSM Mappers | 4.00 | 1 Photo

    Paul and Matt will be in town for March 23-27. Maybe get together for geobeers?
  • February 18 · 6:00 PM

    Mapping Edgewater

    10 OSM Mappers

    Edgewater is growing and the map needs to be kept up to date! Come out and help put all the new businesses on the map!
  • January 24 · 11:00 AM

    Map Philip S Miller Park

    7 OSM Mappers | 5.00

    There's 8.6 miles of beautiful trails missing from this new park in Castle Rock, just off of I25. Come help map it! We'll grab lunch afterward. My cell is[masked] on the... Learn more
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