Louisiana1 natural hot spring and 4 commercial spas in Louisiana.Concentrated in Calcasieu Parish, Union Parish.№ 001Efficiency De Luxe Sulphur Near Lake Charles I 10spaCalcasieu Parish · near Sulphur30.237, -93.345№ 002Hot spring hiking trailsUnion Parish · near Holmesville32.698, -92.407№ 003OYO Hotel Sulphur LA Hwy 90 WestspaCalcasieu Parish · near Sulphur30.237, -93.384№ 004Relax Inn by OYO Sulphur Hwy 90spaCalcasieu Parish · near Sulphur30.236, -93.346№ 005Sulphur Parks & RecreationspaCalcasieu Parish30.223, -93.386