Loir

The Loir is a river in central France. It is a left tributary of the Sarthe. It flows through two regions of France: Centre-Val de Loire and Pays de la Loire

Loir
Length319 km (198 mi)

The Eure-et-Loir and Loir-et-Cher departments are named after this river.

Geography

The Loir is 317.4 kilometres (197.2 miles) long. Its drainage basin covers 8,294 square kilometres (3,202 square miles).[1]

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 31.70 m3/s (1,119 cu ft/s) at Durtal, Maine-et-Loire (1961 - 2017).[2]


Average monthly discharge (m3/s) at Durtal

Course

The Loir starts in the former province of Perche, in the commune of Champrond-en-Gâtine, Eure-et-Loir department, Centre-Val de Loire region. It starts at an altitude of about 265 metres (869 feet).[3]

The Loir flows, in general, to the southwest. It goes through the following regions, departments and communes:[1]

At its end, the Loir flows into the Sarthe river at the place called Bec du Loir ("beak of the Cher")[N 1] in Briollay, Maine-et-Loire department, at 16 metres (52 feet) of altitude.[4]

Main tributaries

The main tributaries of the Loir are:

Left tributaries:

  • Conie - 32.4 km
  • Aigre - 30.8 km
  • Houzée - 20.8 km
  • Dême - 32.5 km
  • Fare - 36.9 km
  • Maulne - 29.3 km
  • Marconne - 20.9 km

Right tributaries:

  • Thironne - 26 km
  • Foussarde - 30.5 km
  • Ozanne - 44 km
  • Yerre - 48.7 km
  • Egvonne - 24.2 km
  • Braye - 75.1 km
  • Veuve - 26.2 km
  • Aune - 29.8 km
  • Argance - 19.7 km

Gallery

Related pages

Notes

  1. ↑ The French word bec (beak or bill in English) means, in this and similar cases, the confluence of two rivers.

References

  1. ↑ 1.0 1.1 le Loir (M1--0160) (in fr)SANDRE - Portail national d'accès aux référentiels sur l'eau. Retrieved 9 August 2017.
  2. ↑ Le Loir à Durtal (in fr)Banque Hydro. Retrieved 9 August 2017.
  3. ↑ Source du Loir (in fr)Géoportail. Retrieved 9 August 2017.
  4. ↑ Confluence du Loir (in fr)Géoportail. Retrieved 9 August 2017.