静岡 · 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 125 properties, ranked by rating and popularity

Izu · Shizuoka · Atami
“218 years of warmth from a private spring”

Izu · Shizuoka · Atami
“The retreat that captured Yokoyama Taikan's heart”

Izu · Shizuoka
“A remote hideaway with islands and sunset all to yourself”

Izu · Shizuoka
“A whole Edo-era house, just 3 parties a day”

Izu · Shizuoka
“Atop the cliffs of Izu Kogen, every room holds an open-air bath fed by natural spring water and the sea”

Izu · Shizuoka
“Five secluded villas embracing the sea”

Izu · Shizuoka
“Every room an ocean view — a ryokan that holds the whole of the Izu sea”

Izu · Shizuoka · Atami
“3 minutes on foot from Atami Station, a kakenagashi ryokan fed by two private springs”

Izu · Shizuoka
“The Whole Horizon of Sagami Bay, Poured Into the Bath”

Izu · Shizuoka
“Seven private hot-spring sources, a full view of Sagami Bay, all-inclusive”