Jura region 
| 01 | Ain |
| 25 | Doubs |
| 39 | Jura |
| 70 | Haute Saône |
| 90 | Territoire de Belfort |
Regional notes :The Jura range begins in eastern France on the northern bank of the River Rhone and then extends northwards along the river, north of Lac Léman (Lake Geneva) to the Swiss frontier. It then continues as the boundary line between France and Switzerland in a long arc curving to the north-east, before eventually passing wholly into Switzerland. The limestone of which the Jura is formed is rich in fossils, having been laid down in shallow seas of the Jurassic period. The range was originally mainly forested, even to its lower slopes. Today the upper slopes remain forested (apart from the highest summits which are open grassland) but the action of man has stripped the middle and lower slopes of their forest cover to leave pasture. The effects of glaciation can be seen, particularly on the more steeply scarped southern flanks of the range, but the glaciers have long gone and there is now no permanent snow. The general altitude of the Jura is between 1000m and 1500m, although the range reaches its highest point near the south-western end at Le Crêt de la Neige, which has an altitude of 1718m.
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