Asia's Top 5 Onsen Destinations for 2026 Revealed by Agoda

• Agoda identifies Asia's top 5 onsen destinations for 2026, driven by rising wellness travel demand.
• Onsens, once rooted in Japanese culture, now offer authentic, restorative experiences beyond relaxation.
• Osaka leads the list, blending urban energy with therapeutic onsen experiences and historic charm.
• Kyoto provides tranquil onsen experiences amidst cultural heritage, ideal for relaxation and cultural depth.
• Ha Long, Vietnam, emerges as a top destination for Japanese-style onsen experiences outside Japan.