Title: Ill (France) Content: The IllIn uppercase, to avoid ambiguity, ILL. is a river in France. It flows through the plain of Alsace. It is an important left tributary of the Rhine river. It is the main river of Alsace. It flows through the Haut-Rhin and the Bas-Rhin departments in the Grand Est region. ==Geography== The Ill river is long. Its drainage basin has an area of . ===Course=== The Ill starts in the northern side of the Glaserberg mountain, in the Jura Mountains near the Swiss border, in the commune of Winkel, (Haut-Rhin department), at an altitude of about . From here, the Ill flows first to the east to Ferrette and to Illfurth where it is joined by the Largue river, the main right tributary of the Ill. From Illfurth, the Ill runs northward through Alsace, flowing parallel to the Rhine river. The Ill river flows within the Grand Est region, 2 departments and 70 communes. It flows through the following communes, among others: * Haut-Rhin : Illfurth, Frœningen, Hochstatt, Zillisheim, Brunstatt-Didenheim, Mulhouse, Bourtzwiller, Illzach, Sausheim, Ruelisheim, Ensisheim, réguisheim, Meyenheim, Oberentzen, Niederentzen, Biltzheim, Oberhergheim, Niederhergheim, Sainte-Croix-en-Plaine, Logelheim, Sundhoffen, Andolsheim, Horbourg-Wihr, Colmar, Illhaeusern * Bas-Rhin : Sélestat, Ebersmunster, Kogenheim, Sermersheim, Huttenheim, Benfeld, Matzenheim, Osthouse, Erstein, Nordhouse, Hipsheim, Eschau, Illkirch-Graffenstaden, Ostwald, Strasbourg, Offendorf Five communes in the Alsace have their names from the riverː * Bas-Rhin ** Illkirch ("the church of the Ill") * Haut-Rhin ** Illfurth ("a place to cross the Ill") ** Illtal ("the valley of the Ill") ** Illhaeusern ("the village of the Ill") ** Illzach Finally, the Ill river flows into the Rhine river in the commune of Offendorf, just to the north of Strasbourg. ==Main tributaries== The main tributaries of the Ill river are all left tributaries; the right tributaries are very short streams. Only the Largue starts in the Jura Mountains; the rest have their sources in the Vosgues mountains, to the east. * Largue - * Doller - * Thur - * Lauch - * Fecht - * Giessen - * Andlau - * Ehn - * Bruche - == Hydrology == Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is at Strasbourg in the Bas- Rhin department, for the period 1974 - 2017. Average monthly discharge (m3/s) at Strasbourg (1974 - 2017) 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:80 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: 70.10 bar:Feb from:0 till: 70.40 bar:Mar from:0 till: 67.30 bar:Apr from:0 till: 61.60 bar:May from:0 till: 57.90 bar:Jun from:0 till: 56.60 bar:Jul from:0 till: 52.20 bar:Aug from:0 till: 49.80 bar:Sep from:0 till: 48.60 bar:Oct from:0 till: 54.20 bar:Nov from:0 till: 60.80 bar:Dec from:0 till: 68.00 PlotData= bar:Jan at: 70.10 fontsize:S text: 70.10 shift:(-9,5) bar:Feb at: 70.40 fontsize:S text: 70.40 shift:(-12,5) bar:Mar at: 67.30 fontsize:S text: 67.30 shift:(-12,5) bar:Apr at: 61.60 fontsize:S text: 61.60 shift:(-12,5) bar:May at: 57.90 fontsize:S text: 57.90 shift:(-12,5) bar:Jun at: 56.60 fontsize:S text: 56.60 shift:(-12,5) bar:Jul at: 52.20 fontsize:S text: 52.20 shift:(-12,5) bar:Aug at: 49.80 fontsize:S text: 49.80 shift:(-12,5) bar:Sep at: 48.60 fontsize:S text: 48.60 shift:(-12,5) bar:Oct at: 54.20 fontsize:S text: 54.20 shift:(-12,5) bar:Nov at: 60.80 fontsize:S text: 60.80 shift:(-12,5) bar:Dec at: 68.00 fontsize:S text: 68.00 shift:(-12,5) == Gallery == File:Wiki1winkelbyJospe.JPG|Source of the Ill in Winkel. File:Ill à Sélestat.JPG|The Ill in Sélestat. File:L'Ill et église Saint-Paul (Strasbourg).jpg|The Ill and the St Paul's church in Strasbourg. File:Petite_France_Strasbourg.jpg|The Ill in Strasbourg. ==Related pages== * List of rivers of France