Lyonne

from Wikipedia, the free encyclopedia
Lyonne
Data
Water code FR :  W3340500
location France , Auvergne-Rhône-Alpes region
River system Rhône
Drain over Bourne  → Isère  → Rhône  → Mediterranean
source on the municipal boundary of Omblèze and Bouvante
44 ° 54 ′ 4 ″  N , 5 ° 15 ′ 2 ″  E
Source height approx.  1178  m
muzzle on the municipal boundary of Saint-Thomas-en-Royans and Saint-Laurent-en-Royans in the Bourne Coordinates: 45 ° 3 ′ 20 ″  N , 5 ° 18 ′ 21 ″  E 45 ° 3 ′ 20 ″  N , 5 ° 18 ′ 21 ″  O
Mouth height approx.  175  m
Height difference approx. 1003 m
Bottom slope approx. 46 ‰
length 22 km
Left tributaries Léoncel
Reservoirs flowed through Lac de Bouvante

The Lyonne is a river in France that runs in the Drôme department in the Auvergne-Rhône-Alpes region . It rises in the Vercors Regional Nature Park , just east of the Col de la Bataille mountain pass , on the municipal boundary of Omblèze and Bouvante , generally drains north to northeast and, after 22 kilometers, flows into the municipal boundary of Saint-Thomas-en-Royans and Saint-Laurent -en-Royans as a left tributary to the Bourne .

Places on the river

(Order in flow direction)

Attractions

  • Gorges de la Lyonne gorge below Bouvante le Haut

Individual evidence

  1. ↑ Source geoportail.gouv.fr
  2. ↑ estuary geoportail.gouv.fr
  3. ↑ Water information system Service d'Administration National des Données et Référentiels sur l'Eau (French) ( information ), accessed on September 22, 2014, rounded to full kilometers