Fier
The Fier
Location
Country	France
Physical characteristics
Source
• location	Manigod
• coordinates	45°48′45″N 06°25′03″E / 45.81250°N 6.41750°E / 45.81250; 6.41750
• elevation	1,800 m (5,900 ft)
Mouth
• location	Rhône
• coordinates	45°56′21″N 05°49′55″E / 45.93917°N 5.83194°E / 45.93917; 5.83194
• elevation	255 m (837 ft)
Length	72.2 km (44.9 mi)
Basin size	1,380 km2 (530 sq mi)
Discharge
• average	41.2 m3/s (1,450 cu ft/s)
Basin features
Progression	Rhône→ Mediterranean Sea
Tributaries
• left	Thiou, Chéran

The Fier (French pronunciation: [fjɛʁ] ^ⓘ) is a 72.2 km (44.9 mi) long river in the Haute-Savoie and Savoie départements, southeastern France.^[1] Its source is at Manigod, in the Aravis Range. It flows generally west. It is a left tributary of the Rhône into which it flows at Seyssel.

Among its tributaries are the Chéran and the Thiou, that drains Lake Annecy.^[1]

This list is ordered from source to mouth:

• Haute-Savoie: Manigod, Les Clefs, Thônes, La Balme-de-Thuy, Alex, Dingy-Saint-Clair, Annecy-le-Vieux, Nâves-Parmelan, Villaz, Argonay, Pringy, Metz-Tessy, Meythet, Annecy, Cran-Gevrier, Poisy, Chavanod, Lovagny, Étercy, Vaulx, Hauteville-sur-Fier, Sales, Vallières, Rumilly, Moye, Lornay, Val-de-Fier,
• Savoie: Motz
• Haute-Savoie: Seyssel