Cirque De Navacelles
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210px, Here the magnificence of the valley is shown. The river's meandering erosion is clear. The Cirque de Navacelles is large
erosion Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location where it is deposited. Erosion is dis ...
al landform, an
incised meander A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank (cut bank) and deposits sediments on an inner, convex bank ...
, located towards the southern edge of the
Massif Central The (; oc, Massís Central, ; literally ''"Central Massif"'') is a highland region in south-central France, consisting of mountains and plateaus. It covers about 15% of mainland France. Subject to volcanism that has subsided in the last 10,0 ...
mountain range in
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan area ...
. It is located near Saint-Maurice-Navacelles and
Blandas Blandas is a commune in the Gard department in southern France. It is known for its proximity to the Cirque de Navacelles and the town encompasses one of the principal overlooks on the Cirque. It is also known for its exceptional megalithic ...
between the
Hérault Hérault (; oc, Erau, ) is a department of the region of Occitania, Southern France. Named after the Hérault River, its prefecture is Montpellier. It had a population of 1,175,623 in 2019.department and the Gard department. The cirque is isolated, with only a few small villages in the surrounding area. However, with the completion of the
Millau Viaduct The Millau Viaduct (french: Viaduc de Millau, ) is a multispan cable-stayed bridge completed in 2004 across the gorge valley of the Tarn near (west of) Millau in the Aveyron department in the Occitanie Region, in Southern France. The design t ...
in 2004 and the A75 motorway between
Clermont-Ferrand Clermont-Ferrand (, ; ; oc, label=Auvergnat, Clarmont-Ferrand or Clharmou ; la, Augustonemetum) is a city and commune of France, in the Auvergne-Rhône-Alpes region, with a population of 146,734 (2018). Its metropolitan area (''aire d'attract ...
and
Pézenas Pézenas (; Languedocien: ''Pesenàs'') is a commune in the Hérault department in the Occitanie region in southern France. Name The name "Pézenas" is derived from the older name ''Piscenae'', probably from the Latin word ''piscenis'', meanin ...
, tourism in the region has increased.


Fluvial processes in the cirque

The area is an example of a
dissected plateau A dissected plateau is a plateau area that has been severely eroded such that the relief is sharp. Such an area may be referred to as mountainous, but dissected plateaus are distinguishable from orogenic mountain belts by the lack of folding, ...
in which the Vis River eroded a deep channel through the base of the valley, creating an
incised meander A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank (cut bank) and deposits sediments on an inner, convex bank ...
which eventually eroded through creating a cut-off at the neck of the loop.Official website: landscapes
/ref> This left an oxbow lake which later dried up, leaving deposits of
silt Silt is granular material of a size between sand and clay and composed mostly of broken grains of quartz. Silt may occur as a soil (often mixed with sand or clay) or as sediment mixed in suspension with water. Silt usually has a floury feel ...
and
peat Peat (), also known as turf (), is an accumulation of partially decayed vegetation or organic matter. It is unique to natural areas called peatlands, bogs, mires, moors, or muskegs. The peatland ecosystem covers and is the most efficient ...
. This created what is the only patch of arable land for many miles around.


See also

* Vis River *
Meander A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank ( cut bank) and deposits sediments on an inner, convex ba ...
* Causse de Blandas


Notes


External links


Interactive map


{{Coord, 43, 53, 34, N, 3, 30, 36, E, display=title, source:frwiki Navacelles Landforms of Hérault Landforms of Gard