NFI knowledge about the Swiss forest

An information service about the Swiss National Forest Inventory by the Swiss Federal Research Institute WSL.



The latest results of the fourth national forest inventory NFI4 are published. They are available in the form of a book as well as interactive tables and maps.

report NFI4 (in German)



Do you have a specific question related to NFI results? Use our query system to find your answer in one of our 94,860 tables and maps from the surveys 1983–2017.

Forest photos


Take a look into the forest. The NFI puts more than 40,000 photos online, with which you can explore the forests of Switzerland - comfortably from home.

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last update: 09.04.2021