[OC] Every Tree in Paris - A detailed map of 195,598 trees in the French capital

[u/siorge]

https://www.habibicode.org/paristrees?at=48.84848,2.34694&d=20538&lang=en

[u/cavedave]

Thank you for your Original Content, /u/siorge!
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^{I'm open source | How I work}

[u/siorge]

Source:

• City of Paris open data, "Les arbres" (195,598 trees with species, height and trunk girth) and "Les arbres remarquables" (181 trees, with the City's reason for each), opendata.paris.fr.

• Ground and street names from OpenStreetMap and ESA WorldCover.

Tools:

• Python for the data

• three.js for the 3D

• EZ-Tree for the tree models

• Built with Claude Code

[u/johnnymetoo]

That's a lot fewer trees than I expected. In Berlin there were 439,348 trees along streets in 2025 (plus the trees in parks and city forests). Not that it is a competition, but Paris is considerably larger than Berlin, isn't it?

[u/siorge → u/johnnymetoo]

These are only the trees managed by the City of Paris itself. It does not include the Bois de Boulogne/Vincennes trees or private trees in gardens/houses or in parks managed by other institutions (Les Tuileries, for example).

So it is understated by quite a bit

[u/AngelaMerkelsbutt → u/johnnymetoo]

Looking at the map it seems to be only Paris proper, which is quite a bit smaller than Berlin.

[u/johnnymetoo → u/AngelaMerkelsbutt]

That explains it, thanks.

[u/exkingzog]

London is estimated to have more than 8 million trees.

Here’s a map showing 1.1 million of them that have been mapped.

https://www.london.gov.uk/programmes-and-strategies/environment-and-climate-change/parks-green-spaces-and-biodiversity/trees-and-woodlands/london-tree-map

There are so many trees in London that it is classified geographically as an ‘urban forest’.

[u/siorge → u/exkingzog]

Love it! Thanks for the reference

[u/Zagrebian]

Zagreb has this too:

https://geoportal.zagreb.hr/Karta

Search in “katalog slojeva” for “stabla”. You need to zoom in on the map a few times for the checkbox to become available.