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Navigability on the river Lesse

Under normal circumstances and during floods | In case of dryness | When in doubt

Dinant Evasion does its best for that your kayak trip down the river Lesse takes place in optimum conditions. However, the river Lesse is vivid and changeable...all year round.

It is each's responsability to inquire about sailing conditions on the river Lesse, which can change very quickly in only just a few hours. If rain is very intense, the level of the water can sometimes vary from 10 to 20 cm in 12 hours time.

Seek advice before, whatever the season !

In the morning, before heading off, verify the level of the water by visiting our reference website of the Walloon Region : 

In case of dryness

To check whether the river Lesse is open, click here

Then click on "LESSE" in the right sidebar to get all information about the river.

Navigabilité de la Lesse

 

Under normal circumstances and during floods

To check the level of the river Lesse, click here

This is the level of the river Lesse observed in Houyet in the mornings at 6:00 a.m., which determines possibilities of sailing between the sections of Houyet, Gendron and Anseremme :

ColorLevelWater levelColorNavigationRestriction
black level00 to 13 cmblackNavigation prohibitedClosed due to dryness, too low
013 to 17 cmLimited navigationOnly the section from Gendron to Anseremme is open (short kayak trip)
blue level118 to 70 cmblueEasy navigationMinimum age 5 years, life jacket compulsory under 10 years
green level271 to 80 cmgreenVigilant navigationMinimum age 8 years, life jacket compulsory for all
orange level381 to 90 cmorangeExperienced navigationMinimum age 12 years, life jacket compulsory for all. Briefing before departure.
red level491 to 99 cmredFor sportsmen onlyMinimum age 15 years, life jacket compulsory for all. Briefing before departure.
black level5from 100 cmblackNavigation prohibitedThe entire river is closed because of flooding, too high

 

Example 1

Dans l'exemple ci-dessous, le niveau d'eau se situe à 6h du matin entre 63 et 68 cm


=> le drapeau est bleu, la navigation est aisée, le gilet de sauvetage obligatoire en dessous de 10 ans.

easy navigation blue flag

 

Example 2

Dans l'exemple ci-dessous, le niveau d'eau se situe à 6h du matin entre 119 et 115 cm


=> le drapeau est noir, la navigation est interdite car le niveau de la Lesse est trop élevé.

navigation prohibited black flag

 

In case of doubt

If in doubt, follow news on the website or on Facebook (update at 08:30 AM), or contact Dinant Evasion offices.
+32(0)82 22 43 97.