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Onogawa Onsen Travel Guide — Things to Do, Food & Hotels

hot spring resort in Yamagata Prefecture, Japan

About Onogawa Onsen

Onogawa is one of Japan'smost radioactivehot springs, with radon concentrations of around 10 nanocuries per litre (200 Bq/m³). That's not quite as scary as it sounds though: worldwide average household background radiation is around 2.5 nCi/L, so a half-hour dip is no worse than two hours spent watching the TV. However, the water is also quite sulphurous, so expect bad egg smells. Onogawa crops up regularly on lists ofsnowy hot springs, with a high probability of heaps of the stuff as early as December. It's reasonably accessible from Tokyo, boasts one of the better-preserved "olde Japan" villages in the north, and makes a decent base for low-key skiing in winter as well as firefly-spotting and hiking in summer. The local tourist association has aJapanese-only guide sitewith an additiona

Top Attractions in Onogawa Onsen

Explore the best things to see and do in Onogawa Onsen:

  • Komachi no Yu
  • Onogawa Public Ski Course

Where to Eat in Onogawa Onsen

Must-try local food and restaurants:

  • 🍴Ryuge Shokudō

Where to Stay in Onogawa Onsen

  • 🏨Kajikasō

Onogawa Onsen Travel Guide Sections

Our comprehensive guide covers 11 sections including:

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