Private-use hot springs: Yes
Rooms with open-air baths: Yes
Oita in northeast Kyushu is sometimes referred to as the “Onsen Prefecture”, and this resort located in a sprawling 30,000 square meters garden with two hot spring sources is abundant in nature. Amidst the colorful plum trees and brooks teeming with dancing fireflies, stay in luxurious individual detached houses—many of which have private open-air baths. Or for a scenic change, the simple thermal spring and sodium bicarbonate saline spring public onsens boasts one of the best views of Mt. Yufu in the north. For music and movie lovers, come in the summer when Yufuin hosts a number of such festivals.
Take the Oita Kotsu bus from Oita Airport to JR Yufuin Station, or take the JR Limited Express Yufu train from JR Hakata Station to JR Yufuin Station. A 5-min. taxi ride from the station.