Wild river

The Valserine is the first French river to be labelled a “Wild River”, a label that less than 1% of French rivers are able to claim... From its source to its end in Bellegarde (46 km), its condition close to a natural state makes this river a jewel of nature. Many emblematic species are present: the yellow-bellied toad, large populations of brown trout in a good condition of preservation, all completely natural...
Since 2015, a wild river contract leads actions to ensure the free circulation of fish and sediments, to rehabilitate wetlands near waterways, to eradicate invasive plants, to eliminate former riverside landfills, etc.
Find out more: 
www.rivieres-sauvages.fr/
www.parc-haut-jura.fr/fr/site-habitant/gestion-environnement/zones-humides-rivieres/valserine-riviere-sauvage.263-280-1104__1623.php