Iton

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Iton
The Iton in the city of Évreux

The Iton in the city of Évreux

Data
Water code FR :  H43-0400
location France , Normandy region
River system His
Drain over Your  → Seine  → English Channel
source in the municipality of Mahéru
48 ° 40 ′ 28 ″  N , 0 ° 26 ′ 53 ″  E
Source height approx.  288  m
muzzle at Acquigny in the Eure coordinates: 49 ° 10 ′ 29 "  N , 1 ° 11 ′ 11"  E 49 ° 10 ′ 29 "  N , 1 ° 11 ′ 11"  E
Mouth height approx.  20  m
Height difference approx. 268 m
Bottom slope approx. 2 ‰
length approx. 132 km
Catchment area approx. 1197 km²
Discharge at the Normanville
A Eo gauge : 1031 km² 		MQ
Mq
 		3.6 m³ / s
3.5 l / (s km²)
Left tributaries Rouloir
Medium-sized cities Evreux

The Iton is an approximately 132 km long river in the Orne and Eure departments in Normandy in northern France . It rises in the municipality of Mahéru , in the Perche region , and generally drains in a north-easterly direction; finally it flows into the Eure at Acquigny .

Hydrology

In its upper reaches, between Bourth and Francheville , the Iton was artificially split up

  • south over the Bras forcé de Verneuil to Verneuil-sur-Avre , where it flows into the Avre , and
  • north over the Bras forcé de Breteuil to Breteuil , to then reunite with the main arm above Condé-sur-Iton .
  • The main arm itself is largely lost in a wetland under the name Iton Morte and only receives adequate water flow after 14 km when it reunites with the northern tributary.

Another special feature can be found in the section of the river between Orvaux and Glisolles . There the Iton suddenly disappears from the surface and runs in underground chalk karst caves. This 10 km long section is called Iton Sec (“dry Iton”). At Glisolles the water comes to the surface again, part of it over the karst spring La Fosse aux Dames .

Places on the river

Web links

Commons : Iton  - collection of pictures, videos and audio files

Individual evidence

  1. ↑ a b geoportail.fr (1: 16,000)
  2. ↑ Water information system Service d'Administration National des Données et Référentiels sur l'Eau (French) ( information ), accessed on July 7, 2009, rounded to full kilometers
  3. ↑ hydro.eaufrance.fr (station: H9402030 , option: Synthèse )