The onsen is just 550 yen and combine with the swimming pool for 1000 yen total (May 2025)

Overview

Aqua Park Shi-On is a local hot spring and indoor pool complex connected to the nearby roadside station. It has natural baths, heated pools, and a restaurant, with facilities that cover both relaxation and recreation.

What’s Inside

• Indoor and open-air baths sourced from Shika Senko Onsen
• Sauna, jet baths, and a 25-meter heated pool
• Lazy river, jacuzzis, and a separate kids’ area
• Simple restaurant serving lunch sets, noodles, and donburi
• Rest zones and RV parking with on-site facilities

Good to Know

• Onsen open from 9:00 to 21:00 (last entry 20:15)
• Pools close at 20:30
• Restaurant open 11:00 to 15:00
• Parking and Wi-Fi available