Title: Viaur Content: The Viaur is a river in southern France, left tributary of the Aveyron river. It flows through the Aveyron, Tarn and Tarn-et-Garonne departments. ==Geography== The Viaur river has a length of and a drainage basin with an area of . Its discharge (volume of water which passes through a section of the river per unit of time) has been observed from 1937 to 2017 in Laguépie, a commune of the Tarn-et-Garonne department near the confluence with the Aveyron river. Its average yearly discharge at Laguépie is . Colors= id:lightgrey value:gray(0.9) id:darkgrey value:gray(0.7) id:sfondo value:rgb(1,1,1) id:barra value:rgb(0.6,0.7,0.8) ImageSize = width:500 height:300 PlotArea = left:50 bottom:30 top:30 right:30 DateFormat = x.y Period = from:0 till:40 TimeAxis = orientation:vertical AlignBars = justify ScaleMajor = gridcolor:darkgrey increment:10 start:0 ScaleMinor = gridcolor:lightgrey increment:5 start:0 BackgroundColors = canvas:sfondo BarData= bar:Jan text:Jan. bar:Feb text:Feb. bar:Mar text:Mar. bar:Apr text:Apr. bar:May text:May bar:Jun text:Jun. bar:Jul text:Jul. bar:Aug text:Aug. bar:Sep text:Sep. bar:Oct text:Oct. bar:Nov text:Nov. bar:Dec text:Dec. PlotData= color:barra width:20 align:left bar:Jan from:0 till: 26.90 bar:Feb from:0 till: 30.70 bar:Mar from:0 till: 22.10 bar:Apr from:0 till: 20.20 bar:May from:0 till: 16.50 bar:Jun from:0 till: 9.660 bar:Jul from:0 till: 4.120 bar:Aug from:0 till: 2.760 bar:Sep from:0 till: 3.160 bar:Oct from:0 till: 5.350 bar:Nov from:0 till: 11.70 bar:Dec from:0 till: 24.00 PlotData= bar:Jan at: 26.90 fontsize:S text: 26.90 shift:(-9,8) bar:Feb at: 30.70 fontsize:S text: 30.70 shift:(-12,5) bar:Mar at: 22.10 fontsize:S text: 22.10 shift:(-12,5) bar:Apr at: 20.20 fontsize:S text: 20.20 shift:(-12,5) bar:May at: 16.50 fontsize:S text: 16.50 shift:(-12,5) bar:Jun at: 9.660 fontsize:S text: 9.660 shift:(-12,5) bar:Jul at: 4.120 fontsize:S text: 4.120 shift:(-12,5) bar:Aug at: 2.760 fontsize:S text: 2.760 shift:(-12,5) bar:Sep at: 3.160 fontsize:S text: 3.160 shift:(-12,5) bar:Oct at: 5.350 fontsize:S text: 5.350 shift:(-12,5) bar:Nov at: 11.70 fontsize:S text: 11.70 shift:(-12,5) bar:Dec at: 24.00 fontsize:S text: 24.00 shift:(-12,5) Average monthly discharge (m3/s) at Laguépie ===Course=== The Viaur river starts on the sides of the Puech del Pal in the commune Vézins-de-Lévézou, in the Aveyron department, at an altitude of . The Viaur passes through the departments and towns of: * Aveyron : Bor-et-Bar, Pont-de-Salars, Ségur * Tarn : Pampelonne, Mirandol-Bourgnounac * Tarn-et-Garonne : Laguépie The Viaur river flows through 30 communes and two of them have the name of the river: Sainte-Juliette-sur-Viaur and Saint-Just-sur-Viaur, both in the Aveyron department. Finally, it flows into the Aveyron river in the commune of Laguépie, in the Tarn-et-Garonne department, at of altitude. ==Main tributaries == The main tributaries of the Viaur are: Left tributaries: * Céor - 55.9 km * Vioulou - 33.1 km Right tributaries: * Lézert - 39 km * Lieux - 25.3 km * Jaoul - 22.5 km ==Gallery== File:Le Viaur à Pont de Cirou.JPG|The Viaur in Pont de Cirou. File:Le village et le Pont de Cirou.JPG|The Pont de Cirou, bridge and hamlet File:Le Viaur en mai 2012.JPG|The Viaur in Roc del Gorp. File:LaguépieFrance1995.jpg|The Viaur in Laguépie. ==Related pages== * List of rivers of France