由布院 · BEST 10
Gensen kakenagashi means fresh spring water flows straight into the tub and out again — no recirculation, no reheating. It's the first thing onsen connoisseurs look for.
Top 10 of 50 properties, ranked by rating and popularity

Yufuin · Beppu · Oita · Yufuin
“Beside Lake Kinrin, in the Heart of Yufuin”

Yufuin · Beppu · Oita · Yufuin
“Yufu's spring, flowing since the Meiji era”

Yufuin · Beppu · Oita · Yufuin
“Cobalt-blue spring water, rare anywhere in Japan, hidden in Yufuin's woods”

Yufuin · Beppu · Oita · Yufuin
“An inn where Yufuin's four seasons arrive on the plate”

Yufuin · Beppu · Oita · Yufuin
“Five rooms only, a minute from Lake Kinrin”

Yufuin · Beppu · Oita · Yufuin
“Every room with its own open-air bath — 18 cottages in 33,000 sqm of forest”

Yufuin · Beppu · Oita · Yufuin
“Ten rooms on a Yufuin hillside, each with its own semi-open-air bath”

Yufuin · Beppu · Oita · Yufuin
“A world apart for just ten parties a day, held in the arms of Mt. Yufu”

Yufuin · Beppu · Oita · Yufuin
“Lose Track of Time in the Embrace of Mount Yufu”

Yufuin · Beppu · Oita · Yufuin
“A private open-air bath for two, an evening in Yufuin”