Gélise

river in France

The Gélise is a river of south-western France that flows through the Gers, Landes and Lot-et-Garonne departments, in the Occitanie and Nouvelle-Aquitaine regions. It is a left tributary of the Baïse river.

Gélise
Gélise is located in France
Gélise
Gélise is located in Nouvelle-Aquitaine
Gélise
Location
CountryFrance
Physical characteristics
Mouth 
 - locationBaïse
 - coordinates44°10′45″N 0°17′18″E / 44.17917°N 0.28833°E / 44.17917; 0.28833
Length92 km (57 mi)
Basin features
ProgressionBaïseGaronneAtlantic Ocean

Geography

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The Gélise has a length of 92 km (57.2 mi), and a drainage basin with an area of approximately 2,859 km2 (1,104 sq mi).[1]

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 4.72 cubic metres per second at Mézin.[2]

Course

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The Gélise starts in the place known as Cahuzères in the commune of Lupiac, Gers department, at an elevation of about 215 m (705 ft).[3] It flows to the northwest and then, after Castelnau-d'Auzan, turns to the northeast.

It joins the Baïse on its left bank at Lavardac, at about 40 m (131 ft) of altitude.[4]

The Gélise flows through 21 communes.[1] It passes through the following regions, departments and communes:

Main tributaries

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The main tributaries of the Gélise river are:

  • Left tributaries
    • Rimbez - 16.4 km;[5]
    • Gueyze - 17.7 km;[6]
  • Right tributaries
    • Izaute - 37.5 km;[7]
    • Auzoue - 74.1 km;[8]
    • Osse - 120.2 km;[9]
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References

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  1. 1.0 1.1 "La Gélise (O6--0330)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 3 March 2016. Retrieved 23 March 2015.
  2. "La Gélise à Mezin" (in French). Banque Hydro. Archived from the original on 4 March 2016. Retrieved 23 March 2015.
  3. "Source de la Gélise" (in French). Géoportail. Retrieved 23 March 2015.
  4. "Confluence de la Gélise" (in French). Géoportail. Retrieved 23 March 2015.
  5. "Le Rimbez (O6720650))" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 3 March 2016. Retrieved 23 March 2015.
  6. "La Gueyze (O6750590)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 3 March 2016. Retrieved 23 March 2015.
  7. "L'Izaute (O67-0400)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 3 March 2016. Retrieved 23 March 2015.
  8. "L'Auzoue (O67-0430)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 3 March 2016. Retrieved 23 March 2015.
  9. "L'Osse (O68-0400)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 8 January 2016. Retrieved 23 March 2015.

Other websites

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