Trifter

From there, the city spreads unevenly on both sides of the river, the area occupied north on the right bank is much higher (about twice as high) than on the left bank to the south.

Paris intra-muros, is delimited in 1844 by the Body of Thiers and the annexation by municipalities or districts of these in 1860, is now separated from the suburbs by the ring road. The access road are the gates of Paris or the highways and roads joining this ring. The ring of urban expressway 35 km, is in fact an artificial border between the City and adjacent municipalities; coverage progressive opening helps to Paris to its surroundings.

On the outside of this limit, Paris also extends to areas hosting the heliport (15th arrondissement) and especially two large wooded areas developed by Haussmann on neighboring before being attached to Paris in 1929: at the west, the Bois de Boulogne (846 hectares, 16th) and to the east, the Bois de Vincennes (995 hectares, 12th), bringing the city to 54.74 km.

On both sides of the river, several reliefs composed of gypsum hills witness form small hills. On the right bank: Montmartre (131 meters), highest point in the cemetery of Calvary, Belleville (128.5 meters), the culmination of Telegraph Street, Ménilmontant (108 meters), Buttes-Chaumont ( 103 meters), Passy (71 meters) and Chaillot (67 meters). On the left bank: Montparnasse (66 meters), the Butte-aux-Cailles (63 meters) and the Montagne Sainte-Geneviève (61 meters).

The city of Paris with 105 km2 is the 113th largest municipalities in metropolitan France. In contrast, the urban unit of Paris, ie the city and its metropolitan area, covers an area of 2 723 km2 rassemblant 9 644 507 inhabitants in 1999 in 396 communes of Île-de – France.

The zero point of the roads of France is shown on a slab in front of Notre-Dame de Paris.

The Seine through the city forming an arc, entering from the south-east to exit to the southwest. Over thirty bridges can cross the river.

The city is also crossed by two other rivers: the Bièvre, who arrives from the south of Paris, now completely underground, and the Canal Saint-Martin, opened in 1825 and to 4.5 km long. It is partly underground to fashionable rue du Faubourg-du-Temple in the Bastille and is the end of the Canal de l’Ourcq, 108 km long, which enters the town from the north-east. It feeds the Bassin de la Villette, passes under the Place de la Bastille before joining the Seine upstream from the Ile Saint-Louis, after the Port de l’Arsenal. Detach themselves from one channel to the basin de la Villette in the direction of Saint-Denis, Saint-Denis canal, 4.5 km long and opened in 1821, it can reach the Seine downstream and to avoid crossing the city.