en Montesson

Montesson
Montesson
Commune
	The town hall in Montesson
	Coat of arms
	Location of Montesson
	Montesson Montesson
	Coordinates: 48°54′31″N 2°08′59″E / 48.9085°N 2.1496°E
Country	France
Region	Île-de-France
Department	Yvelines
Arrondissement	Saint-Germain-en-Laye
Canton	Houilles
Intercommunality	CA Saint Germain Boucles Seine
Government
• Mayor (2020–2026)	Nicole Bristol
Area 1	7.36 km2 (2.84 sq mi)
Population (2021)	14,511
• Density	2,000/km2 (5,100/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	78418 /78360
Elevation	23–56 m (75–184 ft) ; (avg. 45 m or 148 ft)
	1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Montesson (French pronunciation: [mɔ̃tesɔ̃]) is a commune in the Yvelines department in the Île-de-France region in north-central France. It is located in the western suburbs of Paris.

Transport in Montesson is served by buses with T-tickets as well as by several Paris-suburban lines: Line 01, Line 04, Line 07, Line 19, Line 22. The bus tickets have a category called "Bus T" which is for occasional users and replaces the old tickets in the notebooks of the previous bus network. The T ticket is also valid on the entire metro (Paris and suburbs) on the RER lines of the RATP and the SNCF. It is sold for a single price of 1.70 € for a journey or 12.50 € for a book of 10. It can be purchased all around the Ile de France metro stations, RER stations, bus terminals, and RATP authorized dealers.