What we're about

MappingDC is a group organized around improving the quality of OpenStreetMap in and around Washington DC. We meet periodically for on-the-street mapping and mappy hours. See http://mappingdc.org for more information.

Upcoming events (5+)

Mappy Hour

Capitol City Brewing Company

Mappy Hour

Capitol City Brewing Company

Mappy Hour

Capitol City Brewing Company

Mappy Hour

Capitol City Brewing Company

Past events (37)

Learn about OpenStreetMap and how to improve DC Bike Lanes

DC Public Library - Library Express

Photos (58)

Find us also at