📜 Geological site with basalt caves, designated National Natural Monument.
🔍 Features hexagonal columns formed by ancient lava flows.

Why Go

🌊 Witness dramatic hexagonal basalt columns
🗿 Explore caves named after Chinese mythological creatures
🌸 Admire hydrangeas in June
🌐 Part of San'in Kaigan UNESCO Global Geopark

Why Avoid

♿ Not wheelchair accessible due to many stairs
⚠️ River ferry access can be affected by bad weather

Tips

👟 Comfortable shoes are recommended for walking trails
📞 Call museum in advance for river ferry pick-up from Genbudo Station
🗓️ Best time to visit is June for blooming hydrangeas

Cost

💰 Adults 500 yen, students 300 yen. River ferry fare extra.

Hours

🕒 Daily 9:00-17:00. Closed December 29 - January 3.

🅿️ Parking

Free parking available.

🌐 WiFi

Free WiFi available (Toyooka city network).