Haut Valromey
Haut Valromey is a commune in the Ain department of eastern France. The municipality was established on 1 January 2016 and consists of the former communes of Hotonnes, Le Grand-Abergement, Le Petit-Abergement and Songieu. On 1 January 2025, the former commune of Ruffieu was merged into Haut Valromey.