France » Source Du Doubs

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Overview Location & Specifics Conditions Resources Nearby Systems  
The Doubs river is 453km long, its source is a small karst spring near Mouthe named Source du Doubs. Springing into the western Jura mountains the river flows in a big M to the east and finally flows into the river Saône in Verdun-sur-le-Doubs, some 20km northeast of Chalon-sur-Saône. So while the river has a length of 453km, the distance between source and mouth are only 72km. This is a result of the geology and geography of the Jura. The limestone is folded and forms steep valley, running parallel from northeast to southwest. The river is following this valleys, twice it crosses such a the barrier, but far in the east where they are much lower. First it turns around at Saint-Ursanne in Switzerland, flows back west, then it turns north at Noirefontaine, turns again east at Mandeure and finally turns west or southwest at Montbéliard. It will flow into this direction along the northern rim of the Jura to its mouth.

The river Doubs gives its name to the departement Doubs, it flows through the whole Jura from one end to the other almost twice, and it actually drains the whole karst area. All other springs and rivulets finally mouth into the Doubs. As the river Doubs is the single most important river of such an famous karst area, there are numerous important karst features connected with it. There are the sinks near Pontarlier, and many other hydrologic specialties.

The spring itself is astonishingly unimpressive, but because of its tranquil beauty a well worth a visit. It is a shallow spring, so there is no blue pot, but nevertheless the colour of the water is an impressive blue.
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Latitude: 46.705099
Longitude: 6.209067
Coordinate System:
 Cave Diving
 Cavern Diving
 Open Water Diving
Date Submitter Visbility Remarks
6/26/2011 BRI & ROR 5-7m Little strong current in the entrance pool, but later quite OK, but still a little too much to pass with CCR & Stages
1/6/2011 Jens-Uwe Henze 20m excellent, strong flow
1/2/2011 BMO 20m Excellent conditions. No existing line anymore in this cave.
12/5/2010 Geri & Dom >20m Very weak flow..Great visibility.
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Description Type Date Author Remarks
Sslect Search Radius:
System Depth Cave Cavern OW Last Report Distance (mi)
   Source De L'orbe True False False 8/14/2013 6.5
   Source De L'ain True False False 7/16/2011 9.4
   Source Bleue (montperreux) True False False 9