Gunma travel
Kusatsu Nettaiken
Kusatsu Nettaiken · 草津熱帯圏
Walk through Kusatsu Nettaiken's tropical dome to observe animals. Add it to your onsen trip if you want to watch animals between bathing days.
Tourism association's Kusatsu Nettaiken prices, hours and walking directions Official sources Kusatsu Nettaiken official facility name and activities

Visitor information
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 on the mapAdmission
Admission costs JPY 1,300 for adults, JPY 1,000 for high school students and JPY 800 for children aged four and older.
Opening hours
The tourism association lists 8.30 am–5 pm with no regular closure days. A 2026 tourism brochure also lists 9 am–5 pm. If visiting early, confirm the opening time with the facility. Ask about last admission before visiting.
What to see at Kusatsu Nettaiken
Animals in the tropical dome
Walk through the dome to observe animals. Check the facility's daily activity information separately if you want an animal-contact session.
Kusatsu Nettaiken official facility name and activities Tourism association's Kusatsu Nettaiken prices, hours and walking directions
How to get to Kusatsu Nettaiken
Kusatsu Nettaiken is about 12 minutes on foot from Kusatsu Onsen Bus Terminal. Follow the tourist map and signs on site to the entrance.
Tourism association's Kusatsu Nettaiken prices, hours and walking directions Kusatsu Nettaiken official facility name and activities
Before you visit
Check animal-contact activities separately
For animal-contact activities, check the facility's daily notices. Standard visits and contact activities follow separate guidance. Ask about last admission before visiting.
Kusatsu Nettaiken official facility name and activities Tourism association's Kusatsu Nettaiken prices, hours and walking directions
Questions about Kusatsu Nettaiken
Can I walk to Kusatsu Nettaiken from the bus terminal?
The tourism association gives about 12 minutes on foot from Kusatsu Onsen Bus Terminal. Follow the tourist map and signs on site to the entrance.
Tourism association's Kusatsu Nettaiken prices, hours and walking directions
Official sources
- Tourism association's Kusatsu Nettaiken prices, hours and walking directions ·
- Official sources ·
- Kusatsu Nettaiken official facility name and activities ·
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