Saint-Martin-du-Frêne

Maillat (French pronunciation: [maja] ) is a commune in the Ain department in eastern France.

Condamine (French pronunciation: [kɔ̃damin] ) is a commune in the Ain department in eastern France.

Port (French pronunciation: [pɔʁ] ) is a commune in the Ain department in eastern France.

The Ange, less often called the Lange, is a river in the Ain department, eastern France. It is a 20.7-kilometre (12.9 mi) left tributary of the Oignin. It flows into the Rhône by the river Ain.

Brion (French pronunciation: [bʁijɔ̃] ) is a commune in the Ain department in eastern France. The name comes from the Latin word Bria meaning fortress, and it is home to a ruined castle. Brion—Montréal-la-Cluse station has rail connections to Bourg-en-Bresse and Oyonnax.

The arrondissement of Nantua is an arrondissement of France in the Ain department in the Auvergne-Rhône-Alpes region. It has 62 communes. Its population is 93,404 (2016), and its area is 899.6 km2 (347.3 sq mi).

Brion—Montréal-la-Cluse station (French: Gare de Brion—Montréal-la-Cluse) is a French railway station located in commune of Brion, Ain department in the Auvergne-Rhône-Alpes region. The station is also within close proximity of the commune of Montréal-la-Cluse, for which it is jointly named after. It is located at kilometric point (KP) 35.618 on the Ligne du Haut-Bugey (Bourg-en-Bresse–Bellegarde railway). Opened in 1996 by the SNCF, the station replaced the now closed La Cluse station. Its layout was further modified during the closure of the Haut-Bugey railway between 2005 and 2010. As of 2022, the station is owned and operated by the SNCF and served by TER Auvergne-Rhône-Alpes trains.

Chevillard is a commune in the Ain department in eastern France.

The Lac de Nantua (Lake of Nantua) is a glacial lake in the southern foothills of the Jura Mountains in the Haut-Bugey historical region, located between Nantua, Montréal-la-Cluse and Port in the department of Ain, France. It covers 141 hectares (0.54 sq mi). The lake was made a protected natural site in 1935.

Peyriat (French pronunciation: [pɛʁja] ) is a commune in the Ain department in eastern France.

Montréal-la-Cluse (French pronunciation: [mɔ̃ʁe.al la klyz] ) is a commune in the Ain department in eastern France. It is located in the historical region of Bugey and its inhabitants are known as the Montréalais.

Nurieux station (French: Gare de Nurieux) is a French railway station located in the commune of Nurieux-Volognat, Ain department in the Auvergne-Rhône-Alpes region. Established at an elevation of 484 meters, the station is located at kilometric point (KP) 33.468 on the Ligne du Haut-Bugey, between the stations of Cize—Bolozon and Brion—Montréal-la-Cluse.