Open Water Foundation / Learn GeoJSON

This documentation provides resources to learn how to to use the GeoJSON spatial data file format.

This documentation has been written based on experience using GeoJSON at the Open Water Foundation.

This documentation page includes the following sections:

About the Open Water Foundation

The Open Water Foundation is a 501(c)3 nonprofit social enterprise that focuses on developing and supporting open source software for water resources, so that organizations can make better decisions about water. OWF has created this documentation to educate its staff, other developers, and clients that work with spatial data.

See also other OWF learning resources.

How to Use this Documentation

The documentation is organized in order of information and tasks necessary to understand the GeoJSON specification and practical application of GeoJSON spatial data files.

This documentation is not intended to be a full reference for GeoJSON but focuses on important topics that will help a understand technical concepts and be successful creating and using GeoJSON. The following main sections are included in this documentation:


The OWF Learn GeoJSON website content and examples are licenses under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Source Repository on GitHub

The source files for this documentation are maintained in a GitHub repository: owf-learn-geojson.

Release Notes

This documentation was last updated 2017-10-21. See the Release Notes in the GitHub Project.