The Cians is a mountain river that flows through the

Alpes-Maritimes Alpes-Maritimes (; ; ; ) is a Departments of France, department of France located in the country's southeast corner, on the France–Italy border, Italian border and Mediterranean Sea, Mediterranean coast. Part of the Provence-Alpes-Côte d'A ...

department of southeastern

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. It is long. Its drainage basin is .Bassin versant : Cians (Le)
Observatoire Régional Eau et Milieux Aquatiques en PACA Its source is in the mountains north of

Beuil Beuil (; ; ) is a commune in the Alpes-Maritimes department in southeastern France. Geography Beuil is a village located in the Maritime Alps, away from Nice. It is the gateway to the Mercantour National Park. A stop-off in the Red-rocked ...

, and it flows into the Var in Touët-sur-Var. The Cians flows through the following communes: * Beuil, Rigaud, Pierlas, Thiéry, Touët-sur-Var. This river runs through a canyon of red

shale Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of Clay mineral, clay minerals (hydrous aluminium phyllosilicates, e.g., Kaolinite, kaolin, aluminium, Al2Silicon, Si2Oxygen, O5(hydroxide, OH)4) and tiny f ...

, named " Gorges du Cians", with formations of

eroded Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust and then transports it to another location where it is deposited. Erosion is disti ...

rock.

Tributaries

* Raton * Cianavelle

References

Rivers of France Rivers of Alpes-Maritimes Rivers of Provence-Alpes-Côte d'Azur {{France-river-stub