The eclectic

The Fort de Joux or Château de Joux is a castle, transformed into a fort, located in La Cluse-et-Mijoux in the Doubs department in the Jura mountains of France. It commands the mountain pass Cluse de Pontarlier.

La Cluse-et-Mijoux is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France.

The arrondissement of Pontarlier is an arrondissement of France in the Doubs department in the Bourgogne-Franche-Comté region. It was expanded in 2009 with the two cantons of Pierrefontaine-les-Varans and Vercel from the arrondissement of Besançon, and the canton of Russey from the arrondissement of Montbéliard.

The canton of Pontarlier is an administrative division of the Doubs department, eastern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Pontarlier.It consists of the following communes:

Les Grangettes is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France.

Saint-Point-Lac is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France.

Malbuisson is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France.

Lac de Saint-Point (also Lac de Malbuisson) is a lake formed by the Doubs River near Pontarlier in the Doubs department of France. With a surface area of 5.2 km², it is one of the largest natural lakes of France.

Oye-et-Pallet is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France.