| Valserhône | |
| Commune Status: | Commune |
| Arrondissement: | Nantua |
| Canton: | Valserhône |
| Insee: | 01033 |
| Postal Code: | 01200 |
| Mayor: | Régis Petit[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays Bellegardien |
| Coordinates: | 46.1083°N 5.8267°W |
| Elevation M: | 485 |
| Elevation Min M: | 330 |
| Elevation Max M: | 1606 |
| Area Km2: | 62.54 |
Valserhône (in French pronounced as /valsəʁon/; Vâlcerôno) 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.[2] 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.
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.
Valserhône has an 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.