Ternoise

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Ternoise
Image-Ternoise amont hesdin.JPG
Origin Pas-de-Calais
Mouth Canche
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Progression Canche→ English Channel
Basin countries France
Length 41.4 km (25.7 mi)
Avg. discharge 4.45 m3/s (157 cu ft/s)
Basin area 342 km2 (132 sq mi)

The river Ternoise (Dutch: Ternaas) is one of the small chalk streams that flow from the plateau of the southern Boulonnais and Picardy, via the Canche, into the English Channel. The basin of the Ternoise extends to 342 square kilometres (132 sq mi) and lies in the southern end of the département of Pas-de-Calais. It is one of the rivers of the Seven Valleys tourist area and gives its name to the Ternois area.

Geography

The 41.4-kilometre (25.7 mi) long river[1] rises at Ligny-Saint-Flochel and passes through Saint-Pol-sur-Ternoise to join the river Canche at Huby-Saint-Leu, near to the town of Hesdin.

Towns and villages along the course

The Ternoise flows through the following places (all within the Pas-de-Calais department):

Tributaries

The Faux and the Eps are the only principle watercourses joining the Ternoise.

Hydrological Information

The Ternoise is a very uniform river. Seasonal flow fluctuations are not very marked, similar to the Canche or the Somme, its neighbours. The higher water flows occur at the end of winter and in the spring. Average flows vary between 3.44 m³ per second in September to 5.36 m³ per second in March.

Gallery

See also

References

  1. ↑ The Ternoise at the Sandre database

External links

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