Great Crossing of the Jura is a trek across Jura mountains from Mandeure, near Montbéliard (north), to Culoz, in Ain (south).
GTJ crosses all the natural Parc of High Jura and offers incursions in Switzerland.
You can do it by hiking, cycling, horse riding, cross country skiing or with snowshoes.
Association Grandes Traversées du Jura
15-17 Grande rue
39150 Les Planches en Montagne
Tél : +33 (0)3 84 51 51 51