Lignon du Forez

Lignon du Forez Lignon de Chalmazel
Bridge over the Lignon du Forez in Boën-sur-Lignon
Data
Water code	FR :  K07-0320
location	France , Auvergne-Rhône-Alpes region
River system	Loire
Drain over	Loire  → Atlantic Ocean
source	in the municipality of Jeansagnière 45 ° 43 ′ 2 ″  N , 3 ° 46 ′ 58 ″  E
Source height	approx.  1290  m
muzzle	in the municipal area of Feurs in the Loire Coordinates: 45 ° 45 ′ 33 "  N , 4 ° 11 ′ 39"  E 45 ° 45 ′ 33 "  N , 4 ° 11 ′ 39"  E
Mouth height	approx.  320  m
Height difference	approx. 970 m
Bottom slope	approx. 16 ‰
length	59 km
Left tributaries	Anzon
Right tributaries	Vicezy

The Lignon du Forez (also: Lignon de Chalmazel ) is a river in France that runs in the Loire department in the Auvergne-Rhône-Alpes region . It rises in the municipal area of Jeansagnère , generally drains eastwards, through the historic province of Forez and flows 59 kilometers into the municipality of Feurs as a left tributary into the Loire .

Not to be confused with the Lignon du Velay river , which also flows into the Loire at Saint-Maurice-de-Lognon .

Places on the river

• Chalmazel
• Saint-Georges-en-Couzan
• Leigneux
• Boën-sur-Lignon
• Poncins

Remarks

1. ↑ ^{a b} geoportail.fr (1: 16,000)
2. ↑ ^{a b} The information on the length of the river is based on the information on the Lignon du Forez at SANDRE (French), accessed on November 26, 2011, rounded to full kilometers.