proper noun/bɛl.fɔ̃.tɛn/
Bellefontaine (a village and commune of Vosges department, Grand Est, France); Bellefontaine (a village and commune of Jura department, Bourgogne-Franche-Comté, France); Bellefontaine (a village and commune of Val-d'Oise department, Île-de-France, France); Bellefontaine (a village and former commune of Manche department, Normandy, France, merged in 2017 into the new commune Juvigny les Vallées); Bellefontaine (a village and commune of Martinique department, France)
From belle (“beautiful”) + fontaine (“fountain”).