北海道 · 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 66 properties, ranked by rating and popularity

Hokkaido
“In the heart of Niseko, private hot springs with Mount Yotei views, across just 18 detached villas”

Hokkaido · Noboribetsu
“Ever heard of a ryokan with 35 different baths?”

Hokkaido · Noboribetsu
“A Roman-style domed bathhouse from 1938, and 88 years of history flowing through Noboribetsu”

Hokkaido
“120 rooms with private open-air baths, among the most in Japan. A seaside ryokan facing the Tsugaru Strait”

Hokkaido · Noboribetsu
“Four spring types drawn from Jigokudani, and 90 years of homemade craft”

Hokkaido
“A Forest Where the River Flows and Hot Springs Rise”

Hokkaido
“Above the lights of Hakodate, submerged in starlight”

Hokkaido
“Seventeen hot-spring villas, cradled by the forest”

Hokkaido
“Amber mineral water in a century-old Yunokawa house”

Hokkaido
“A Hokkaido ryokan where the chefs greet you themselves, and one open-kitchen course says it all”