Original: In its middle section , down as far as Saint-Sauveur-de-Montagut and Les Ollières-sur-Eyrieux , the river is a torrent and is prone to flash floods and extreme variation .
Simplified: In its middle section , down as far as Saint-Sauveur-de-Montagut and Les Ollières-sur-Eyrieux , the river is a torrent .