Gier (river)

45°35′13″N 4°46′27″E / 45.586846°N 4.774071°E / 45.586846; 4.774071

Gier
Le saut du Gier waterfalls
Location
CountryFrance
RegionAuvergne-Rhône-Alpes
Physical characteristics
Source 
  locationMont Pilat
  elevation1,300 m (4,300 ft)
MouthRhône
  location
Givors
  elevation
145 m (476 ft)
Length40.3 km (25.0 mi)
Basin size417 km2 (161 sq mi)
Discharge 
  average3.16 m3/s (112 cu ft/s)
Basin features
ProgressionRhôneMediterranean Sea

The Gier (French pronunciation: [ʒje]) is a French river that flows in a northeast direction through the Loire and Rhône departments. It is a tributary of the Rhône, which it enters from the right bank. The Gier valley was formerly heavily industrialized with coal and iron mines and factories.