21 Affordable Spa Destinations for Ultimate Relaxation Without the Splurge

4. Beppu, Japan: Geothermal Wonders and Onsen Culture

Beppu is one of Japan's most famous hot spring resorts, literally steaming with geothermal activity. Beyond viewing the spectacular boiling "Hells of Beppu," visitors can access numerous traditional onsen (hot spring baths) very affordably. Experience sand baths where you're buried in naturally heated volcanic sand, mud baths, or simple, serene public onsen offering relaxation and cultural immersion. The sheer variety and accessibility make Beppu a prime destination for experiencing authentic Japanese bathing culture and its therapeutic benefits on a budget.