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The French–Swiss border (German: Grenze zwischen Frankreich und der Schweiz, French: Frontière entre la France et la Suisse, Italian: Confine tra la Francia e la Svizzera) is 572 km (355 mi) long. Its modern boundaries are mostly the product of the Congress of Vienna of 1815, with the accession of Geneva, Neuchâtel, and Valais to the Swiss Confederation, but it has since been modified in detail, the last time being in 2002.
The tripoint where it meets the Swiss-German and Franco-German borders is on the river Rhine (at ) at Basel. A monument has been built near it, known as the Dreiländereck. Its other end is at the tripoint with the French-Italian and Swiss-Italian borders (at ) on around 3,700 metres (12,100 ft) altitude, near Mont Dolent.
Since Switzerland's accession to the Schengen Area in 2008, there have been no permanent passport controls along this border, even if there can be customs controls.
There are two airports near the border which have both Swiss and French passport and customs control, where the passengers can choose one of them. These are the EuroAirport Basel Mulhouse Freiburg which is located in France, but passengers can go to Switzerland without going through French border controls, and the Geneva Airport which is located in Switzerland, but passengers can go to France without going through Swiss border controls.
Railway and tram lines over the border
Several railway lines cross the border.
Also some tram lines cross the border.
- The Basel tram line 3 was in 2017 extended to Saint-Louis in France
- The Basel tram line 10 twice with one station in France, Leymen
- "Archived copy". Archived from the original on 2014-10-20. Retrieved 2014-11-27.CS1 maint: Archived copy as title (link)
- "Traité international". Swiss Federal Department of Foreign Affairs. Retrieved January 24, 2013.; minor corrections resulting in the exchange of a total of 1,578 square meters of territory.