Photographer's Note

April 5th, 2010
Saint-Maurice-Navacelles 340277 34520
Hrault Languedoc-Roussillon
43.846 3.518 580 m

Vis River falls, Saint-maurice-Navacelles

One view.
Other view.

The VIS RIVER falls, in the CIRQUE de NAVACELLES, in the Navacelles hamlet. The bottom of the Vis river canyon is to 300 m under the level of CAUSSE of BLANDAS opposite, and CAUSSE of LARZAC.

_ The VIS RIVER is a small river, abundant but very irregular. Supplied with its catchment area, its risings can be extremely important. November 8, 1982, the maximum instantaneous flow was 542 m, five hundred and forty two m, a second, in Saint-Laurent-le-Minier for a rising hardly of a decennial nature, banal and by no means exceptional.
Tributary of Herault, a 30 km length. It takes its source on the Saint-Guiral mount in the solid mass of Aigoual. It disappears in the ground with Larcy whereas its flow reaches 50 l/s. Approximately 15 km further, it goes on surface in a rsurgence with Vissec, with the mill of Lafoux with a flow of 1200 to 2500 l/s. Its affluents are in major undergrounds part. the Vis erodes the basement, provocative constantly underground crumblings able to stop its course of the hours, even days, as in 1779, 1890, 1927 and 1961. Its exploration, appears difficult and dangerous in a water with 11 and a very strong current. The Vis then impressed its bed of surface in impressive canyons reaching 300 m of depth dug in plates limestones called causses, of which the Causse of Larzac, crossing the imposing site of the Circus of Navacelles. It follows its torrential course giving its energy to an electric micro-power station in Madires, and its purity with some pisciculture with trouts of quality, then is thrown in Herault in Ganges.
The freshness and the purity of the Vis river are appraisals, close to its classified falls.

_The CAUSSE de BLANDAS is located in Languedoc-Roussillon in the department of Gard, is bordered in north by the valley of Arre river and the solid mass of the Cvennes, in the south by the valley of the Vis river and CAUSSE du LARZAC. Its surface is of approximately 80 km, its altitude varies from 540 meters to 955 meters. It belongs to small causses, in opposition to GRANDS CAUSSES, large causses. One finds on causse of Blandas many megaliths: cromlechs, menhirs, and dolmens.

_The "CAUSSE du LARZAC" is vastest and southernmost of "GRANDS CAUSSES", large causses. Its 1000 km of plateau rise from 600 to 900 meters. It is limited to the North-East by Dourbie river which separates it from "Causse Noir", in the North-West the Tarn river separates it from the plateau of Lvzou, in the west it stops with the depression of Roquefort. Its surface is strewn with famous sites with the military orders, Knights of the Order of the Temple and Sovereign Military Hospitaller Order of Saint John of Jerusalem.

_The "GRANDS CAUSSES", in the south of the Massif Central, are delimited in north by the plateau of "Aubrac", in the east by the Cvennes, the south by the plain of the "lodvois", in the west by the plateau of "Lvzou". These are plateaus limestones whose altitude varies from 700 to 1250 meters of altitude, and of surface going up to 1000 km.
The "Grands Causses" are formed by important "Causses of Larzac" (1000 km), of "Sauveterre" (550 km), "Mjean" (330 km), and "Noir" (200 km), but also of the causses "Comtal", "Rouge" and of "Svrac", and many small peripheral causses like causses of "Mende", "Blandas", "Changefges", "Bgon", etc No waterway circulates on the surface of the plates, because the rainwater infiltrates in the karstic, generating networks of many swallow-holes and caves, to re-appear in the valleys. Geology of causses and the cvennes.

SAINT-MAURICE-NAVACELLES is a french commune, located in the department of the Herault of the Languedoc-Roussillon area, populated of 142 inhabitants in 1999, divided out of 69 km, that is to say 2 hab./km.

Navacelles hamlet is on the commune of Saint-Maurice-Navacelles, resulting from the fusion of the three communes from Saint-Maurice, Navacelles and Madires.

My images of Saint-Maurice-Navacelles.
My images of the Vis river canyon.

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Additional Photos by joel berthonneau (jlbrthnn) Gold Star Critiquer/Gold Note Writer [C: 7168 W: 0 N: 22964] (76043)
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