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Map of the Amazon River drainage basin with the Amazon River highlighted

Mapazonia ( is a project to map collaboratively the Amazon region in OpenStreetMap. Using satellite imagery to improve the coverage of the map, mapping rivers geometry, transport and land use. The project began to be discussed at meetings of the Latin American community, and discussions occur primarily in talk-latam mailing list.

Send us your questions, comments, or suggestions to our email or follow us on twitter for updates @Mapazonia

General information

The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about 6,915,000 km2 (2,670,000 sq mi), or roughly 40 percent of the South American continent. It is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, Suriname and Venezuela.

More info here...

How you can contribute

The Amazon basin is huge, so we will divide the effort of mapping in the sub-basins by country:


The mapping effort in Bolivia is split by river basins of the Amazon region:

Task Name of basin Description What to map? Start date Mapping Status Validation Status Last Revision
826 Acre basin Acre River (called Aquiry in the local Iñapari language) is a 680km (420mi) long in northwest of Bolivia Waterways, Highways, (optional Landuse/Buildings) 2014-12-20 91% 50% 2016-09-04


The mapping effort in Brazil is split by river basins of the Amazon region, according to the limits set by the National Water Agency (ANA). Check the limits dataset page.

Task Name of basin Description Coordinators What to map? Start date Mapping Status Validation Status Last Revision
827 Xingu basin Xingu River is a 1640km (1019mi) long in north of Brazil Severin Menard, Vitor George (osm), Wille Marcel Waterways and Highways 2014-12-20 66% 8% 2016-09-04


Trace all the rivers and roads using satellite imagery. In some rivers, we can improve the geometry, drawing the contour of the river's area. See Waterway wiki page for more instructions on how to map Waterways.

Task Name of basin Description What to map? Start date Mapping Status Validation Status Last Revision
832 SouthEast Caquetá River Caquetá River is a 2280km (1750mi) long in the southeast of Colombia Waterways, Highways, (optional Landuse/Buildings) 2015-01-?? 99% 26% 2016-09-04
989 Western Caquetá River Caquetá River is a 2280km (1750mi) long in the western of Colombia Waterways, Highways, (optional Landuse/Buildings) 2015-??-?? 34% 0% 2016-09-04

Available Satellite Imagery

How to map a...


If you feel comfortable editing relations and there is an administrative boundary (or protected area boundary) roughly following the course of the newly traced river, please replace the old boundary with the new river geometry, and remove the old boundary. For wider rivers where the riverbanks are also mapped, notice that administrative boundaries usually follow the the thalweg (the center of the river), while protected areas are usually delimited by the riverbank.


When should one use highway=unclassified versus highway=track versus highway=path?





It is important to review the boundaries between countries:



In the Media

Here we list articles in major or even local media:

  • 2014-12-28 the United Kingdom (en) OSM Blog - Mapazonia Introducing the LatinAmerican initiative collaborative mapping of the Amazonia