Around Yuki Castle Country Club × Stays Popular For SunsetsRecommended Hotel·Ryokan

A private villa overlooking a waterfall: “and RIVER Katsuura”Located in Katsuura City, Chiba Prefecture, at the headwaters of the Isumi River.Right in front of and RIVER Katsuura, a magnificent panorama of waterfalls and lush greenery unfolds.Savor an exceptional time with an open-air bath fed by natural mineral spring water and a sauna, all while taking in the breathtaking view.An indulgent escape unlike anything you’ve ever experienced.Leave the city behind and surrender to time that flows gently as you gaze at the waterfall.and RIVER Katsuura is an exclusive resort villa limited to one group per day.

A vacation hotel offering an entire private cottage along the lush Isumi River, located in "Isumi City," just under an hour from central Tokyo. This area is known for its beautiful sea, rivers, and rich natural landscapes. Your day begins with the gentle morning sunlight streaming in and ends with a sunset that paints the Boso Peninsula mountains in golden hues. How you spend your time here is entirely up to you—relaxing leisurely in a cozy cottage or enjoying moments of rejuvenation in the sauna. Nestled quietly by the riverside, this private cottage is more than just accommodation. Though only about an hour away from Tokyo, it serves as both a retreat for healing your mind and body and a gateway to an invigorated new chapter of life. Welcome to By The River Isumi!