The Annex Tree Map republishes local tree survey data in an accessible format so residents, researchers, schools, and neighbourhood groups can explore and reuse it.
The project uses OpenStreetMap, Leaflet, and open GeoJSON data to make the Annex tree survey easier to browse, share, and improve over time.
- Tree species and common name
- Street address and survey year
- DBH and total height
- Number of stems
- Comments from the original survey
Tree data is often hard to browse, locked away in older formats, or missing from public-facing tools. This project turns a neighbourhood tree survey into something easier to search, map, embed, and maintain.
It is also designed to support community corrections and future reuse in other neighbourhoods.
The data can be loaded into other mapping libraries, analysis tools, and educational projects.
You can also adapt the code and workflow for another neighbourhood tree map.
The Annex tree data was originally collected as part of a neighbourhood tree survey in Toronto's Annex, carried out by local volunteers and community members between approximately 2010 and 2014.
Volunteers from The Ara recorded species, address, DBH, height, and other details for each tree, and the results were published as an interactive community resource.
- Republishes the survey data in open GeoJSON format
- Provides an updated interactive map using OpenStreetMap and Leaflet
- Invites the community to help clean, document, and extend the dataset
If you use this dataset or embed the map, please acknowledge the original survey organizers and volunteers, and consider contributing improvements back through GitHub.
This map project was created by Perry Toone with support from Thexyz.
You can use this project as a starting point for a tree map in your own neighbourhood, school, campus, or city.
Start with the existing structure and code.
Swap in your own tree data for another community.
Update the title, copy, and project details.
Use your own host, a custom domain, or GitHub Pages.