Descriptif
The Hedgehog (the torrent with thirty-one waterfalls) is a river in the Jura massif, in France, in the French Jura Lakes Region and a tributary of the Ain, therefore a sub-tributary of the Rhône.
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The stream then joins the lower valley, jumping almost 300 meters of vertical drop over 3 kilometers, constituting the Hérisson2 waterfalls.
Various belvederes and a walking path allow you to follow the successive falls (decreasing altitude).
Former names: 1328 Saut du Val de Chambly, 1722: Saut de Chambly, 1765: Saut de la Culée du Val, 1825: Cascade du Val, 1905: Cascade en Fan, and since 1955 Cascade de l'Éventail (source: book in sale at the house of the waterfalls: 'The valley of the Herisson, its 31 waterfalls' by Jean Luc Mordefroid, 1989 edition).
The Fan (over 65 meters)
This waterfall has several points of view: at its foot by the path, at its summit, by a belvedere on the site and by a belvedere indicated on the waterfall route.