The Huisne (French pronunciation: [ɥin]) is a 164.5 km (102.2 mi) long river in France.^[1] It is a left tributary of the river Sarthe, which it meets in Le Mans. Its source is near the town of Pervenchères, in the Orne department.

Huisne
Native name	L'Huisne (French)
Location
Country	France
Physical characteristics
Source
• location	Perche
• elevation	±180 m (590 ft)
Mouth
• location	Sarthe
• coordinates	47°59′26″N 0°10′49″E / 47.99056°N 0.18028°E / 47.99056; 0.18028
Length	164.5 km (102.2 mi)
Basin size	2,385 km2 (921 sq mi)
Discharge
• average	13.5 m3/s (480 cu ft/s)
Basin features
Progression	Sarthe→ Maine→ Loire→ Atlantic Ocean

The Huisne flows through the following departments and towns:

• Orne: Saint-Jouin-de-Blavou, Rémalard, Condé-sur-Huisne, Le Theil
• Eure-et-Loir: Nogent-le-Rotrou
• Sarthe: La Ferté-Bernard, Montfort-le-Gesnois, Le Mans