Kusatsu Onsen · A short walk out
Kusatsu Necchaiken (Tropical Zone)
How to get there and what to see · facts checked 2026-10-24
Photo: Abasaa・Public domain
A warm dome heated by hot-spring heat, known as Japan’s highest-altitude zoo.
- Nearest station
- 12 min walk from Kusatsu Onsen Bus Terminal
- Hours
- 8:30–17:00, open every day
- Admission
- Adults ¥1,300; high-school students ¥1,000; children (4+) ¥800
What to see
- The dome: a 15-metre-high dome, kept subtropical with hot-spring heat.
- Animals: crocodiles, snakes, lizards and a family of capybaras.
- Hands-on corners, plus a hand and foot bath with “beauty fish”.
Getting there
About a 12-minute walk from Kusatsu Onsen Bus Terminal.
Address：286 Kusatsu, Kusatsu Town, Agatsuma District, Gunma
Before you go
We found no site run by the facility itself; these details are from the Kusatsu tourism association page (updated April 2026).
Sainokawara and Otakinoyu
Tap a red pin to open that sight's page.
Nearby sights
← Kusatsu Onsen guide: trains from Tokyo
Sources
Hours, prices and history come from the official websites and public tourism pages listed here. They can change, so check the official site before you go.
- 草津温泉観光協会（草津熱帯圏）（checked 2026-10-24）
Map data：© OpenStreetMap contributors