|Address||"Tenku no Oka" 820 Kujukogen, Taketa City, Oita Prefecture|
|Contact||Mantenbo Onsen (Kuju Kogen Cottage)|
Mantenbo Onsen provides an open-air bath with a panoramic view of Aso Kuju National Park. With 180 degrees of nature all around you, the scene of the green field at dusk is quite stunning.
The facility offers private family baths consisting of both indoor and outdoor open-air tub.