The Pays d'Ouche is an historical and geographical region in Normandy. It extends from the southwest of Évreux

Évreux

Évreux is a commune in the Eure department, of which it is the capital, in Haute Normandie in northern France.-History:In late Antiquity, the town, attested in the fourth century CE, was named Mediolanum Aulercorum, "the central town of the Aulerci", the Gallic tribe then inhabiting the area...

 up to Bernay

Bernay

- Communes :*Bernay, Eure, in the Eure département*Bernay-en-Champagne, in the Sarthe département*Bernay-en-Ponthieu, in the Somme département*Bernay-Saint-Martin, in the Charente-Maritime département...

 and Beaumont-le-Roger

Beaumont-le-Roger

Beaumont-le-Roger is a commune in the department of Eure in the Haute-Normandie region in northern France.-Geography:The commune is located in the valley of the Risle on the edge of the forest with which it shares its name. It is crossed by the Paris-Cherbourg railway line...

 as a northern limit, and down to L'Aigle

L'Aigle

L'Aigle is a commune in the Orne department in Basse-Normandie in north-western France.This commune used to be known as Laigle. According to Orderic Vitalis, the nest of an eagle was discovered during the construction of the castle....

 and to Gacé

Gacé

Gacé is a commune in the Orne department in Lower-Normandy, north-western France.-Heraldry:-References:*...

 in the south.

Since the French revolution, the main part is located in the department of Eure

Eure

Eure is a department in the north of France named after the river Eure.- History :Eure is one of the original 83 departments created during the French Revolution on 4 March 1790...

 (Haute-Normandie

Haute-Normandie

Upper Normandy is one of the 27 regions of France. It was created in 1984 from two départements: Seine-Maritime and Eure, when Normandy was divided into Lower Normandy and Upper Normandy. This division continues to provoke controversy, and some continue to call for reuniting the two regions...

 region), and another one in the neighboring Orne

Orne

Orne is a department in the northwest of France, named after the river Orne.- History :Orne is one of the original 83 departments created during the French Revolution, on March 4, 1790. It was created from parts of the former provinces of Normandy and Perche.- Geography :Orne is in the region of...

 department (Basse-Normandie

Basse-Normandie

Lower Normandy is an administrative region of France. It was created in 1956, when the Normandy region was divided into Lower Normandy and Upper Normandy...

 region), where its capital town L'Aigle is situated.

The Risle

Risle

The Risle is a long river in Normandy, left tributary of the Seine.The river begins in Orne west of L'Aigle, crosses the western part of the department of Eure flowing from south to north and out into the estuary of the Seine on the left bank near Berville-sur-Mer...

 River and other tributaries of the Seine flow through this area. Its chalky soil is not agriculturally productive. The principal towns of the area are l'Aigle, population 8, 972 (INSEE, 1999), on the River Risle

Risle

The Risle is a long river in Normandy, left tributary of the Seine.The river begins in Orne west of L'Aigle, crosses the western part of the department of Eure flowing from south to north and out into the estuary of the Seine on the left bank near Berville-sur-Mer...

 and Conches-en-Ouche

Conches-en-Ouche

Conches-en-Ouches is a commune in the Eure department in northern France.-Geography:It is located by the Rouloir river, southwest of Évreux in the Haute-Normandie region. The town is located on a plateau known as the Pays d'Ouche.-Population:-References:...

, population 5,352 (INSEE, 1999), on the River Rouloir.