The Bras de Bronne (sometimes spelled ''Bras de Brosne'') is a small

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 northern

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 ...

whose course crosses the

departement In the administrative divisions of France, the department (french: département, ) is one of the three levels of government under the national level ("territorial collectivity, territorial collectivities"), between the regions of France, admin ...

of the

Pas-de-Calais Pas-de-Calais (, " strait of Calais"; pcd, Pas-Calés; also nl, Nauw van Kales) is a department in northern France named after the French designation of the Strait of Dover, which it borders. It has the most communes of all the departments ...

. Its source is at the

hamlet ''The Tragedy of Hamlet, Prince of Denmark'', often shortened to ''Hamlet'' (), is a tragedy written by William Shakespeare sometime between 1599 and 1601. It is Shakespeare's longest play, with 29,551 words. Set in Denmark, the play depicts ...

of Etreuille, near the village of Saint-Michel-sous-Bois. It flows through the communes of

Humbert Humbert, Umbert or Humberto (Latinized ''Humbertus'') is a Germanic given name, from ''hun'' "warrior" and ''beraht'' "bright". It also came into use as a surname. Given name ;Royalty and Middle Ages * Emebert (died 710) * Humbert of Maroilles ...

Sempy Sempy () is a Communes of France, commune in the Pas-de-Calais Departments of France, department in the Hauts-de-France region of France. Geography Sempy is located 4 miles (6 km) southeast of Montreuil-sur-Mer on the D129 road, alongside th ...

Aix-en-Issart Aix-en-Issart () is a Communes of France, commune in the Pas-de-Calais Departments of France, department in northern France. A place named ''in Ascio'' is mentioned as early as 800 AD while during the Middle Ages the place used to be called ''Rode ...

, Marant, Marenla and joins the river

Canche The river Canche (; nl, Kwinte) is one of the rivers that flow from the plateau of southern Boulonnais and Picardy, into the English Channel, of which the Somme is the largest example. It is long. The basin of the Canche extends to and lies ...

at Marles-sur-Canche.
In winter, it is fed by an even smaller river at the commune of Quilen.
There's an ancient

watermill A watermill or water mill is a mill that uses hydropower. It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering. Such processes are needed in the production of ...

References

Rivers of France Rivers of Hauts-de-France Rivers of the Pas-de-Calais {{France-river-stub