Gélise

Gélise
Gélise
Location
Country	France
Physical characteristics
Mouth
- location	Baïse
- coordinates	44°10′45″N 0°17′18″E
Length	92 km (57 mi)
Basin features
Progression	Baïse→ Garonne→ Atlantic Ocean

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.

Geography

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

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:

Occitanie region
- Gers: Dému, Eauze, Labarrère, Ramouzens, Castillon-Debats, Castelnau-d'Auzan, Lupiac, Noulens
Nouvelle-Aquitaine region
- Landes: Parleboscq, Escalans
- Lot-et-Garonne: Sos, Poudenas, Mézin, Barbaste, Sainte-Maure-de-Peyriac, Nérac, Lavardac, Andiran, Saint-Pé-Saint-Simon, Réaup-Lisse

Main tributaries

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]

Related pages

List of rivers of France

References

"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.
"La Gélise à Mezin" (in French). Banque Hydro. Archived from the original on 4 March 2016. Retrieved 23 March 2015.
"Source de la Gélise" (in French). Géoportail. Retrieved 23 March 2015.
"Confluence de la Gélise" (in French). Géoportail. Retrieved 23 March 2015.
"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.
"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.
"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.
"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.
"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

Banque Hydro - Station O6793310 - La Gélise à Mezin Archived 2015-02-19 at the Wayback Machine (in French)

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[sandre-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.