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La Grande Carte

France map, as open data. Parcels, communes, départements, régions - access it on web, MCP or API

Listed 7 Nov 2026 by Jonathan

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The main problem

Convert to paid users

Open asks

  • Advice on how to convert free users to paid users

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About La Grande Carte

We ingest every data available as open data about France, and we try to make it available and readable to users on a map with search, as a MCP and API.

There is a few hundred websites for consult various types of data, and the goal of lagrandecarte is to save you the hassle to go through them one by one - natural risks, pollution, sales, direction of the wind, climate change, political orientation, etc. Everything we can know about a location is collected, digested and served.

Screenshots

  • Screenshot 1 of La Grande Carte
  • Screenshot 2 of La Grande Carte
  • Screenshot 3 of La Grande Carte
  • Screenshot 4 of La Grande Carte

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