Valserhône (; ) is a commune in the Ain department in the Auvergne-Rhône-Alpes region in Eastern France. It is the result of the merger, on 1 January 2019, of the communes of Bellegarde-sur-Valserine, Châtillon-en-Michaille and Lancrans. In 2018, the three communes had a combined population of 16,431, with Bellegarde-sur-Valserine as the major population centre. This makes Valserhône the third-most populated commune of Ain, after Bourg-en-Bresse and Oyonnax.

Geography
Valserhône is located at the confluence of the Valserine and the Rhône. It was named after the two rivers. The commune is part of Haut-Jura Regional Natural Park.

The commune has a station, , which is located at the junction of three railway lines and has regular service to various destinations in France and Switzerland.

Climate
Valserhône has a oceanic climate (Köppen climate classification Cfb). The average annual temperature in Valserhône is . The average annual rainfall is  with December as the wettest month. The temperatures are highest on average in July, at around , and lowest in January, at around . The highest temperature ever recorded in Valserhône was  on 13 August 2003; the coldest temperature ever recorded was  on 5 February 2012.

Population

See also 
 Communes of the Ain department

References

Communes of Ain
Communes nouvelles of Ain
Populated places established in 2019
2019 establishments in France