Travel in Gunma
Kusatsu Nettaiken
Kusatsu Nettaiken · 草津熱帯圏
Observe animals while exploring Kusatsu Nettaiken’s tropical dome. Add animal viewing to a hot-spring trip, allowing a dome visit between bathing days.
Tourism association Nettaiken fees, operation and walking access Sources and dates checked Official Kusatsu Nettaiken facility name and events
Visitor information at a glance
Address
群馬県吾妻郡草津町大字草津286
286 Kusatsu, Kusatsu, Agatsuma District, Gunma 377-1711, Japan
View location on the map →Admission
Admission costs JPY 1,300 for adults, JPY 1,000 for senior high school pupils or JPY 800 for children aged four and above.
Opening hours and closed days
Tourism association hours: 08:30–17:00, without regular closure days. The 2026 brochure also gives 09:00–17:00. For an early visit, confirm opening with the facility; ask about last admission too.
What can I see at Kusatsu Nettaiken?
Animals in the tropical dome
Walk through the dome to observe animals. For contact events, check the facility’s event guidance for your visiting day separately.
Official Kusatsu Nettaiken facility name and events Tourism association Nettaiken fees, operation and walking access
How to get to Kusatsu Nettaiken
Walk about 12 minutes from Kusatsu Onsen terminal, following the tourist map and local signs.
Tourism association Nettaiken fees, operation and walking access Official Kusatsu Nettaiken facility name and events
Before you visit
Check animal-contact events separately
Follow facility guidance for your visiting day for contact events, which differs from ordinary visiting guidance. Ask about last admission before visiting too.
Official Kusatsu Nettaiken facility name and events Tourism association Nettaiken fees, operation and walking access
Questions about Kusatsu Nettaiken
Can I walk to Kusatsu Nettaiken from the terminal?
The tourism association gives about 12 minutes from Kusatsu Onsen terminal. Follow the tourist map and local signs to the entrance.
Tourism association Nettaiken fees, operation and walking access
Sources and dates checked
- Tourism association Nettaiken fees, operation and walking access ·
- Sources and dates checked ·
- Official Kusatsu Nettaiken facility name and events ·
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