Rougemont-le-Château

The Château de Rougemont is a ruined 12th century castle in the commune of Rougemont-le-Château in the Territoire de Belfort département of France.

Leval (French pronunciation: [ləval]) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.

Felon (French pronunciation: [fəlɔ̃]) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.

The Territoire de Belfort (French pronunciation: [tɛʁitwaʁ də bɛlfɔʁ] ; lit. "Territory of Belfort") is a department in the northeastern French region of Bourgogne-Franche-Comté. In 2020 it had a population of 140,120. The department, which encompasses a relatively small surface area of 609.4 km2 (235.3 sq mi), is located just southwest of the European Collectivity of Alsace. It also shares a border with the Swiss canton of Jura to the southeast. Its prefecture is Belfort.

Petitefontaine (French pronunciation: [pətitfɔ̃tɛn]) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.

The canton of Masevaux-Niederbruck (before 2021: Masevaux) is an administrative division of the Haut-Rhin department, northeastern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Masevaux-Niederbruck.It consists of the following communes:

Masevaux (French pronunciation: [mazvo] is the French name of Màsmìnschter (Alemannic German pronunciation: [mɒsˈmɪnʃtʁ̩]), a former commune in the Haut-Rhin department in north-eastern France.

Masevaux-Niederbruck (French pronunciation: [mazvo nidəʁbʁyk] ; German: Masmünster-Niederbruck; Alsatian: Màsmìnschter-Niderbrucke) is a commune in the Haut-Rhin department of northeastern France. The municipality was established on 1 January 2016 and consists of the former communes of Masevaux and Niederbruck.

Niederbruck (French pronunciation: [nidəʁbʁyk]; Alsatian: Nìderbrucke) is a former commune in the Haut-Rhin department in north-eastern France. On 1 January 2016, it was merged into the new commune Masevaux-Niederbruck.

Sickert is a commune in the Haut-Rhin department in Grand Est in north-eastern France.

Lachapelle-sous-Rougemont (French pronunciation: [laʃapɛl su ʁuʒmɔ̃], literally Lachapelle under Rougemont) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.

Lac du Lachtelweiher is a lake in Haut-Rhin, France. At an elevation of 740 m, its surface area is 0.015 km². The French name is a tautology as the German Weiher already means pond/lake.