Help majeure

Help majeure
Data
Water code	FR :  D0150650
location	France , Hauts-de-France region
River system	Rhine
Drain over	Sambre  → Maas  → Hollands Diep  → North Sea
River basin district	Meuse
source	Franco-Belgian border, in the municipality of Ohain 50 ° 1 ′ 43 ″  N , 4 ° 8 ′ 37 ″  E
Source height	approx.  248  m
muzzle	north of Noyelles-sur-Sambre in the Sambre coordinates: 50 ° 10 ′ 22 "  N , 3 ° 47 ′ 47"  E 50 ° 10 ′ 22 "  N , 3 ° 47 ′ 47"  E
Mouth height	approx.  125  m
Height difference	approx. 123 m
Bottom slope	approx. 1.8 ‰
length	69 km
Catchment area	765 km²
Drain at the Liessies gauge (station D0156510)	MQ	2.3 m³ / s
Reservoirs flowed through	Lac du Val Joly
Small towns	Avesnes-sur-Helpe
The Helpe Majeure shortly before its confluence with the Sambre at Taisnières-en-Thiérache
Weir in Avesnes-sur-Helpe

The Helpe Majeure is a river in France that runs in the Nord department in the Hauts-de-France region . It rises in the municipality of Ohain , directly on the border with Belgium , near the Belgian city of Momignies . The river initially runs along the border to the north, then swings to the west and flows into the Sambre after 69 kilometers north of Noyelles-sur-Sambre as a right tributary .

Places on the river

• Wallers-en-Fagne
• Eppe-Sauvage
• Sémeries
• Avesnes-sur-Helpe
• Dompierre-sur-Helpe
• Taisnières-en-Thiérache
• Noyelles-sur-Sambre

Web links

Commons : Helpe Majeure  - collection of images, videos and audio files

Individual evidence

1. ↑ ^{a b} geoportail.fr (1: 16,000)
2. ↑ ^{a b c} The information on the length of the river is based on the information about the Helpe Majeure at SANDRE (French), accessed on August 4, 2009, rounded to full kilometers.
3. ^ Banque Hydro