Bäume erfassen Groter Pohl
Rostock, Mecklenburg-Vorpommern, Germany
UN Mappers Mappy Hour
18. Mapathon & Mapping Party Rapperswil 2026
Rapperswil, Rapperswil-Jona, St. Gallen, Switzerland
Hamburger Mapping-Spaziergang (in Pinneberg)
Pinneberg, Schleswig-Holstein, Germany
State of the Map Croatia (DORS/CLUC 2026)
City of Zagreb, Croatia
OpenStreetMap: Mapeo libre
Torreón, Coahuila, Mexico
OSM Mumbai Mapping Party No.9 (Central Line)
Mumbai, Maharashtra, India
B of A - EC AM's Mapathon -Global Service Month
Farmington, Connecticut, United States
Dubnový Missing Maps mapathon na Ústavu botaniky a zoologie
Brno, South Moravian Region, Czechia
Missing Maps : Mapathon en ligne - CartONG [fr]
Rencontre Saint-Étienne et sud Loire
Saint-Étienne, Auvergne-Rhône-Alpes, France
Bremer Mappertreffen
Bremen, Bremen, Germany
Kieler Mapper*innentreffen
Kiel, Schleswig-Holstein, Germany
78. Wiener OSM-Stammtisch
Vienna, Austria
OSM-Verkehrswende #74
Berlin, Germany
OSM-Stammtisch Hannover
Hanover, Lower Saxony, Germany
Düsseldorfer OpenStreetMap-Treffen (online)
Dusseldorf, North Rhine-Westphalia, Germany
Social Mapping Event in Parramatta
Sydney, New South Wales, Australia
FOSSGIS-OSM-Communitytreffen im Linuxhotel
Essen, North Rhine-Westphalia, Germany
MA1PPING
Weil der Stadt (Kernstadt), Baden-Württemberg, Germany
Workshop: JOSM - Java OpenStreetMap Editor - Eine Einführung
Augsburg, Bavaria, Germany
Mappando si Vinci! - 2 Maggio 2026
Spicchio-Sovigliana, Vinci, Tuscany, Italy
Braunschweiger Mappertreffen im Stratum 0 Hackerspace
Brunswick, Lower Saxony, Germany
OSM India - Monthly Online Mapathon
New Delhi, India
OSM-Treffpunkt
Salzburg, Salzburg, Austria
Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng]
iD Community Chat
Stuttgarter OpenStreetMap-Treffen
Stuttgart, Baden-Württemberg, Germany
Surveillance mapping with MapRVA
Richmond, Virginia, United States
SOSM Association Annual Meeting
Bergdietikon, Aargau, Switzerland
OSMmapperCPH
Copenhagen, Capital Region of Denmark, Denmark
OSM Delhi Mapping Party No.29 (South Zone)
Delhi, India
Missing Maps : Mapathon en ligne - CartONG [fr]
OpenStreetMap x Wikidata Taipei #88
Chengnei, Taipei, Taiwan
1. OSM Stammtisch Magdeburg
Magdeburg, Saxony-Anhalt, Germany
Hamburger Mappertreffen
Hamburg, Germany
OSM-Stammtisch Ulm/Neu-Ulm
Neu-Ulm, Bavaria, Germany
Pražský mapathon s Lékaři bez hranic v Seznam.cz
Prague, Czechia
2026 Spring End Maptime
Amsterdam, North Holland, Netherlands
Münchner OSM-Treffen
Munich, Bavaria, Germany
Mapaton - Marsh
OSM Mumbai Mapping Party No.10 (Trans-Harbour Line - North)
Navi Mumbai, Maharashtra, India
Missing Maps London Mid-Month (Without Training) Advanced Mappers [eng]
Réunion du groupe local de Lyon
Lyon, Auvergne-Rhône-Alpes, France
200. OSM-Stammtisch Bonn
Bonn, North Rhine-Westphalia, Germany
OSM-Stammtisch Chemnitz
Chemnitz, Saxony, Germany
Lüneburger Mappertreffen (online)
Lüneburg, Lower Saxony, Germany
Stammtisch Karlsruhe
Karlsruhe, Baden-Württemberg, Germany
Raccolta dati aree verdi @ Giornata Mondiale della Biodiversità 2026 - Citizen Science Ferrara
Ferrara, Emilia-Romagna, Italy
Missing Maps : Mapathon en ligne - CartONG [fr]
Düsseldorfer OpenStreetMap-Treffen (online)
Dusseldorf, North Rhine-Westphalia, Germany
OSM-Treffpunkt
Salzburg, Salzburg, Austria
Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng]
State of the Map Baltics 2026
Riga, Latvia
Braunschweiger Mappertreffen im Stratum 0 Hackerspace
Brunswick, Lower Saxony, Germany
OSM India - Monthly Online Mapathon
New Delhi, India
Missing Maps : Mapathon en ligne - CartONG [fr]
OpenStreetMap x Wikidata Taipei #89
Chengnei, Taipei, Taiwan
Hamburger Mappertreffen
Hamburg, Germany
OSM-Stammtisch Ulm/Neu-Ulm
Neu-Ulm, Bavaria, Germany
State of the Map US 2026
Madison, Wisconsin, United States
Münchner OSM-Treffen
Munich, Bavaria, Germany
OSM Delhi Mapping Party No.30 (West Zone)
Delhi, India
Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng]
Réunion du groupe local de Lyon
Lyon, Auvergne-Rhône-Alpes, France
OSM-Stammtisch Chemnitz
Chemnitz, Saxony, Germany
201. OSM-Stammtisch Bonn
Bonn, North Rhine-Westphalia, Germany
Lüneburger Mappertreffen (online)
Lüneburg, Lower Saxony, Germany
21. Österreichischer OSM-Stammtisch (online)
Stainach-Pürgg, Styria, Austria
Essen OSM-Treffen
Essen, North Rhine-Westphalia, Germany
Missing Maps Mapathon in Stuttgart
Stuttgart, Baden-Württemberg, Germany
OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South)
Maharashtra, India
Missing Maps : Mapathon en ligne - CartONG [fr]
State of the Map Africa 2025
Dar es-Salaam, Tanzania
Düsseldorfer OpenStreetMap-Treffen (online)
Dusseldorf, North Rhine-Westphalia, Germany
Rhein-Neckar OSM Treffen
Heidelberg, Baden-Württemberg, Germany
OSM-Treffpunkt
Salzburg, Salzburg, Austria
Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng]
OpenStreetMap x Wikidata Taipei #90
Chengnei, Taipei, Taiwan
Hamburger Mappertreffen
Hamburg, Germany
OSM-Stammtisch Ulm/Neu-Ulm
Neu-Ulm, Bavaria, Germany
Online Mapathon von ÄRZTE OHNE GRENZEN
Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng]
202. OSM-Stammtisch Bonn
Bonn, North Rhine-Westphalia, Germany
OSM-Stammtisch Chemnitz
Chemnitz, Saxony, Germany
Lüneburger Mappertreffen (online)
Lüneburg, Lower Saxony, Germany
Düsseldorfer OpenStreetMap-Treffen (online)
Dusseldorf, North Rhine-Westphalia, Germany
OSM-Treffpunkt
Salzburg, Salzburg, Austria
Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng]
OpenStreetMap x Wikidata Taipei #91
Chengnei, Taipei, Taiwan
OSM-Stammtisch Ulm/Neu-Ulm
Neu-Ulm, Bavaria, Germany
Kartenwerkstatt Oschatz
Oschatz, Saxony, Germany
Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng]
203. OSM-Stammtisch Bonn
Bonn, North Rhine-Westphalia, Germany
OSM-Stammtisch Chemnitz
Chemnitz, Saxony, Germany
Lüneburger Mappertreffen (online)
Lüneburg, Lower Saxony, Germany
79. Wiener OSM-Stammtisch
Vienna, Austria
Düsseldorfer OpenStreetMap-Treffen (online)
Dusseldorf, North Rhine-Westphalia, Germany
OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day
State of the Map 2026
Champs-sur-Marne, Ile-de-France, France
Essen OSM-Treffen
Essen, North Rhine-Westphalia, Germany
OSM-Treffpunkt
Salzburg, Salzburg, Austria
Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng]
OpenStreetMap x Wikidata Taipei #92
Chengnei, Taipei, Taiwan
OSM-Stammtisch Ulm/Neu-Ulm
Neu-Ulm, Bavaria, Germany
Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng]
22. Österreichischer OSM-Stammtisch (online)
Stainach-Pürgg, Styria, Austria
OSM-Stammtisch Chemnitz
Chemnitz, Saxony, Germany
204. OSM-Stammtisch Bonn
Bonn, North Rhine-Westphalia, Germany
Lüneburger Mappertreffen (online)
Lüneburg, Lower Saxony, Germany
Düsseldorfer OpenStreetMap-Treffen (online)
Dusseldorf, North Rhine-Westphalia, Germany
Karlsruhe Hack Weekend September 2026
Karlsruhe, Baden-Württemberg, Germany
Essen OSM-Treffen
Essen, North Rhine-Westphalia, Germany
OpenStreetMap x Wikidata Taipei #93
Chengnei, Taipei, Taiwan
OSM-Treffpunkt
Salzburg, Salzburg, Austria
Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng]
OSM-Stammtisch Ulm/Neu-Ulm
Neu-Ulm, Bavaria, Germany
Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng]
205. OSM-Stammtisch Bonn
Bonn, North Rhine-Westphalia, Germany
OSM-Stammtisch Chemnitz
Chemnitz, Saxony, Germany
Lüneburger Mappertreffen (online)
Lüneburg, Lower Saxony, Germany
State of the Map LATAM 2026 in Mexico City
Mexico City, Mexico City, Mexico
80. Wiener OSM-Stammtisch
Vienna, Austria
Düsseldorfer OpenStreetMap-Treffen (online)
Dusseldorf, North Rhine-Westphalia, Germany
Rhein-Neckar OSM Treffen
Heidelberg, Baden-Württemberg, Germany
Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng]
Maker Days Salzburg
Salzburg, Salzburg, Austria
OpenStreetMap x Wikidata Taipei #94
Chengnei, Taipei, Taiwan
OSM-Stammtisch Ulm/Neu-Ulm
Neu-Ulm, Bavaria, Germany
Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng]
206. OSM-Stammtisch Bonn
Bonn, North Rhine-Westphalia, Germany
OSM-Stammtisch Chemnitz
Chemnitz, Saxony, Germany
Lüneburger Mappertreffen (online)
Lüneburg, Lower Saxony, Germany
Düsseldorfer OpenStreetMap-Treffen (online)
Dusseldorf, North Rhine-Westphalia, Germany
OSM-Treffpunkt
Salzburg, Salzburg, Austria
Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng]
OpenStreetMap x Wikidata Taipei #95
Chengnei, Taipei, Taiwan
OSM-Stammtisch Ulm/Neu-Ulm
Neu-Ulm, Bavaria, Germany
23. Österreichischer OSM-Stammtisch (online)
Stainach-Pürgg, Styria, Austria
Essen OSM-Treffen
Essen, North Rhine-Westphalia, Germany
Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng]
207. OSM-Stammtisch Bonn
Bonn, North Rhine-Westphalia, Germany
OSM-Stammtisch Chemnitz
Chemnitz, Saxony, Germany
Lüneburger Mappertreffen (online)
Lüneburg, Lower Saxony, Germany
Düsseldorfer OpenStreetMap-Treffen (online)
Dusseldorf, North Rhine-Westphalia, Germany