Forest Adventure Ohira, now rebranded as Forest Adventure Tochigi, is an outdoor treetop adventure park set within a natural forest in Tochigi Prefecture, approximately one hour from Kawaguchi Junction along the Tohoku Expressway. The park is notable as the only Forest Adventure location in Japan situated amid bamboo groves, adding a distinctive character to its aerial courses and ziplines. Visitors can tackle challenge routes arranged by difficulty level, allowing beginners and experienced adventurers alike to progress at their own pace or attempt multiple courses with unlimited play within a set time. Restrooms, small lockers, and barbecue areas are available on-site, and the park welcomes families with children, including supervised elementary school students, making it an exciting outdoor destination in the Kanto region.