Leyssard

The Col du Berthiand is a mountain pass rising to 780 metres (2,560 ft) above sea level, situated on the Montagne de Berthiand in the Jura mountains. It is located in the department of Ain in France and joins the commune of Serrières-sur-Ain with Nurieux-Volognat.

Serrières-sur-Ain (French pronunciation: [sɛʁjɛʁ syʁ ɛ̃], literally Serrières on Ain) is a commune in the Ain department in eastern France.

Challes-la-Montagne (French pronunciation: [ʃal la mɔ̃taɲ]) is a commune in the Ain department in eastern France. The commune was formerly called Challes and was officially renamed on 7 July 2006.

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

Bolozon (French pronunciation: [bɔlozɔ̃]) is a commune in the Ain department in eastern France. Cize—Bolozon station has rail connections to Bourg-en-Bresse and Oyonnax.

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

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

Nurieux-Volognat (French pronunciation: [nyʁjø vɔlɔɲa]) is a commune in the Ain department in eastern France. It was established in 1973 by the merger of the former communes Mornay and Volognat.

Hautecourt-Romanèche (French pronunciation: [otkuʁ ʁɔmanɛʃ]) is a commune in the Ain department in eastern France. It was created in 1973 by the merger of two former communes: Hautecourt and Romanèche. The commune comprises many villages and hamlets including: Challes, Chambod, Hautecourt, Merlot, Perroi, Romaneche, Soiriat and Villette.

Cize—Bolozon station (French: Gare de Cize—Bolozon) is a French railway station located in commune of Bolozon, Ain department in the Auvergne-Rhône-Alpes region. As its name suggests, that station also serves the nearby commune of Cize. It is located at kilometric point (KP) 25.061 on the Bourg-en-Bresse—Bellegarde railway. Originally opened in 1876, the station was closed in 2005 for renovations along the Haut-Bugey railway as well as reconstruction of the station, prior to re-opening in 2010. As of 2020, the station is owned and operated by the SNCF and served by TER Auvergne-Rhône-Alpes trains.

Grand-Corent (French pronunciation: [ɡʁɑ̃ kɔʁɑ̃]) is a commune in the Ain department in eastern France.

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.