The park maintains a consistent tropical climate using the region's abundant geothermal hot spring energy.
It houses a 'fureai' (interaction) zone where visitors are permitted to touch and feed certain animals, such as capybaras and reptiles.
The facility doubles as a wildlife rescue center, often taking in exotic pets that owners can no longer care for.
The complex includes a large, multi-story indoor greenhouse structure designed to withstand heavy regional snowfall.
Many of the monkeys kept on-site are allowed to roam or interact with guests in specific semi-open areas.
It is one of the few tropical-themed attractions in Japan located at an altitude exceeding 1,200 meters.
Kusatsu Tropical Wonderland is a unique, indoor tropical botanical park and zoo situated in the high-altitude, volcanic town of Kusatsu Onsen. It is primarily known for housing a large collection of reptiles, specifically crocodiles, alongside various exotic mammals like capybaras and squirrel monkeys. The facility utilizes geothermal heat from the local hot springs to maintain tropical temperatures throughout the year despite the cold climate of the Gunma mountains. Visitors can walk through climate-controlled greenhouses filled with tropical plants and interactive animal enclosures. It functions as a hands-on petting zoo where guests can have direct contact with several animal species. The facility acts as a rescue and preservation center for various exotic species, including abandoned pets. Its layout is informal, prioritizing close-up encounters over traditional glass-cased viewing.
The capybara enclosure, especially when they are gathering near the heated areas.
Bring a change of clothes or wear layers, as the indoor tropical climate is significantly warmer and more humid than the outdoor mountain air.
Purchase the animal feed packets at the entrance to ensure you have items to offer during the interactive sessions.
Check the daily feeding schedule upon arrival to catch the crocodile or capybara feeding sessions.
Do not attempt to touch animals in enclosures explicitly marked as 'no contact' or behind safety barriers.
Listen carefully to staff instructions regarding animal handling; do not feed animals with outside food; remove heavy winter outerwear before entering the tropical zone.
