The Ailette () is a long

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

in the

Aisne Aisne ( , ; ; pcd, Ainne) is a French department in the Hauts-de-France region of northern France. It is named after the river Aisne. In 2019, it had a population of 531,345.France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

. Its source is at Sainte-Croix. It flows generally west-northwest. It is a

left tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage b ...

of the

Oise Oise ( ; ; pcd, Oése) is a department in the north of France. It is named after the river Oise. Inhabitants of the department are called ''Oisiens'' () or ''Isariens'', after the Latin name for the river, Isara. It had a population of 829,419 ...

into which it flows between Manicamp and

Quierzy Quierzy (), also known as Quierzy-sur-Oise (; formerly in la, Cariciacum, ''Carisiacum'', ''Charisagum'', ''Karisiacum''), is a commune in the Aisne department in Hauts-de-France in northern France, straddling the Oise River between Noyon and C ...

, northeast of

Compiègne Compiègne (; pcd, Compiène) is a commune in the Oise department in northern France. It is located on the river Oise. Its inhabitants are called ''Compiégnois''. Administration Compiègne is the seat of two cantons: * Compiègne-1 (with 19 c ...

. On most of its course, it shares its valley with the ''

Canal de l'Oise à l'Aisne The Canal de l'Oise à l'Aisne (, literally ''Canal of the Oise to the Aisne'') is a summit level canal in the Hauts-de-France region (northern France), formerly Picardy. It connects the Canal latéral à l'Aisne at Abbécourt to the Canal latéra ...

''.

Communes along its course

This list is ordered from source to mouth: *Aisne: Sainte-Croix,

Corbeny Corbeny (; in the Middle Ages: Corbunei) is a Communes of France, commune in the Aisne Departments of France, department in Hauts-de-France in northern France. Geography The river Ailette (river), Ailette flows south through the northwestern pa ...

Craonne Craonne () is a commune in the Aisne department in Hauts-de-France in northern France. History It was the site of the Napoleonic Battle of Craonne in 1814. The former town was totally destroyed by artillery during the Nivelle Offensive in Worl ...

, Bouconville-Vauclair, Chermizy-Ailles, Neuville-sur-Ailette,

Cerny-en-Laonnois Cerny-en-Laonnois is a commune in the Aisne department in Hauts-de-France in northern France. Geography The lac de l'Ailette forms all of the commune's northern border. Population See also *Communes of the Aisne department The followin ...

Chamouille Chamouille () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The lac de l'Ailette forms most of the commune's southern border. Population See also *Communes of the Aisne department The followi ...

Pancy-Courtecon Pancy-Courtecon is a Communes of France, commune in the Aisne Departments of France, department and Hauts-de-France Regions of France, region of northern France. Geography The river Ailette (river), Ailette flows west through the commune. Pop ...

Colligis-Crandelain Colligis-Crandelain is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette flows west through the commune. Population See also *Communes of the Aisne department The following is a li ...

, Trucy,

Chevregny Chevregny () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette flows westward through the commune. Population See also *Communes of the Aisne department The following is a list ...

Monampteuil Monampteuil is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms part of the commune's southern border. Population See also *Communes of the Aisne department The following is ...

, Filain,

Pargny-Filain Pargny-Filain () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms part of the commune's northeastern border. Population See also *Communes of the Aisne department The foll ...

Urcel Urcel () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms most of the commune's western border. Population See also *Communes of the Aisne department The following is a li ...

Chavignon Chavignon () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms most of the commune's northern border. Population See also *Communes of the Aisne department The following is ...

Royaucourt-et-Chailvet Royaucourt-et-Chailvet () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms small part of the commune's southern border. Population See also *Communes of the Aisne department ...

Chaillevois Chaillevois () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms part of the commune's southern border. The name of this village seems derive from an old path that probably happe ...

Merlieux-et-Fouquerolles Merlieux-et-Fouquerolles () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms all of the commune's southern border. Population See also *Communes of the Aisne department T ...

Vaudesson Vaudesson is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms all of the commune's northern border. Population See also *Communes of the Aisne department The following is a ...

, Pinon, Lizy,

Anizy-le-Château Anizy-le-Château () is a former commune in the department of Aisne in the Hauts-de-France region of northern France. On 1 January 2019, it was merged into the new commune of Anizy-le-Grand. The inhabitants of the commune are known as ''Anizi ...

Vauxaillon Vauxaillon is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms all of the commune's northern border. Population See also *Communes of the Aisne department The following is a li ...

, Landricourt,

Leuilly-sous-Coucy Leuilly-sous-Coucy () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms all of the commune's northern border. Population See also *Communes of the Aisne department The foll ...

, Jumencourt,

Crécy-au-Mont Crécy-au-Mont () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms most of the commune's northern border. Population See also *Communes of the Aisne department The follo ...

Coucy-le-Château-Auffrique Coucy-le-Château-Auffrique () is a commune in the Aisne department in Hauts-de-France in northern France. Its population in 2019 was 992. Geography Coucy is located west of Laon on the road between Tergnier (north) and Soissons (south) nor ...

Pont-Saint-Mard Pont-Saint-Mard () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms most of the commune's northern border. Population See also *Communes of the Aisne department *List of medi ...

, Guny, Champs,

Trosly-Loire Trosly-Loire () is a commune in the Aisne department in Hauts-de-France in northern France. Geography The river Ailette forms all of the commune's northeastern border. Population See also *Communes of the Aisne department The followin ...

, Saint-Paul-aux-Bois, Pierremande,

Bichancourt Bichancourt () is a commune in the department of Aisne in Hauts-de-France in northern France. Geography The river Oise forms part of the commune's northern border; one of its tributaries, the Ailette, forms all of the commune's southwestern ...

, Manicamp,

References

Rivers of France Rivers of Hauts-de-France Rivers of Aisne {{France-river-stub