Travel in Gunma
Kusatsu Nettaiken
Kusatsu Nettaiken · 草津熱帯圏
At Kusatsu Nettaiken, explore the tropical dome and observe animals. Visit for animal observation during your hot spring trip, leaving time for the dome between bathing days.
Tourism association: Nettaiken admission, hours and walking access Official sources Kusatsu Nettaiken official facility name and events
Visitor information
Admission
Admission: adults JPY 1,300; high school students JPY 1,000; children aged four and over JPY 800.
Opening hours
The tourism association lists 08:30–17:00 with no regular closing days. The 2026 tourist brochure also lists 09:00–17:00. Ask the facility about opening time if arriving early in the morning, and about last entry before visiting.
What to see at Kusatsu Nettaiken
Animals in the tropical dome
Walk through the tropical dome to see animals. For animal contact events, check the facility's event guidance for that day separately.
Kusatsu Nettaiken official facility name and events Tourism association: Nettaiken admission, hours and walking access
How to get to Kusatsu Nettaiken
Walk about 12 minutes from Kusatsu Onsen Bus Terminal to Kusatsu Nettaiken. Follow the tourist map and on-site signs to the entrance.
Tourism association: Nettaiken admission, hours and walking access Kusatsu Nettaiken official facility name and events
Visiting tips
Check animal contact events separately
For animal contact events, check the facility's guidance for that day. Regular visits and contact events have separate guidance. Ask the facility about last entry before visiting.
Kusatsu Nettaiken official facility name and events Tourism association: Nettaiken admission, hours and walking access
Questions about Kusatsu Nettaiken
Can I walk to Kusatsu Nettaiken from the bus terminal?
The tourism association gives a walk of about 12 minutes from Kusatsu Onsen Bus Terminal. Follow the tourist map and on-site signs to the entrance.
Tourism association: Nettaiken admission, hours and walking access
Official sources
- Tourism association: Nettaiken admission, hours and walking access ·
- Official sources ·
- Kusatsu Nettaiken official facility name and events ·
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