Kusatsu Onsen — relief & relaxation | Compare & book 17 inns

Sainokawara Source, a prominent representative of Kusatsu Onsen, is a historic hot spring cherished by therapeutic bathers for centuries. Nestled amidst the mystical steam of Sainokawara Park, it offers a pleasant, skin-tightening sensation and a powerful warmth that permeates to the very core, providing restorative warmth. After a soak, a remarkable lightness awaits. For those seeking to alleviate skin concerns, chronic fatigue, or to achieve deep relaxation and reset mind and body from daily stress, this source provides a moment to connect with nature's revitalizing energy.

The Bandaiko source, which unexpectedly erupted from within the Bandai Sulfur Mine in 1970, now stands as Kusatsu's primary hot spring, boasting the largest output and supporting the town. Named with the wish for 'eternal prosperity' (万代), this powerful source was born in the mountains, far from the Yubatake (Kusatsu's central hot-water field). Its colorless, transparent waters deliver a stimulating tingle that awakens both mind and body, while its robust warmth permeates to the very core. This energetic spring is a perfect companion for those seeking liberation from daily routines and a crisp mental and physical rejuvenation.

The Mandaiko source, originating from traces of past mining development, is deeply intertwined with Kusatsu Onsen's unique yumomi culture and its long history of toji (therapeutic bathing). Its highly acidic waters, among Japan's most potent, deliver a distinctive tingling sensation, awakening both mind and body and offering a sense of rejuvenation. The high-temperature blessings penetrate deep into the core, leaving you with a surprisingly light and refreshed feeling after your bath. We invite those seeking a genuine toji experience, a true escape from daily life to restore their mind and body, to discover the profound power of this spring.

The Yubatake source, an iconic symbol of Kusatsu Onsen, has drawn countless literati, samurai, and commoners since the Edo period. Enveloped by its white steam and the purifying hydrogen sulfide scent, visitors are instantly transported to an extraordinary realm. This powerfully acidic water, with a pH of around 2, remarkably tightens the skin, offering a refreshing sensation akin to rejuvenation. It promises profound satisfaction for those seeking silky skin, deep relaxation from daily stress, and authentic hot spring experiences.

The Nikawa Source, cherished since ancient times in Kusatsu Onsen, one of Japan's Three Great Hot Springs, lives up to its name, "Nikawa" (boiling river), with intensely bubbling waters. It features a tingling sensation on the skin and a distinctive sulfur aroma. The bracingly hot waters permeate the body and mind, melting away stiffness. After bathing, expect remarkably refreshed skin and a feeling of lightness. It offers rejuvenation from chronic fatigue and deep relaxation from daily stress.

Shirahatage Genzen, located in Kusatsu Onsen and adjacent to Yubatake (Kusatsu's central hot-water field), is said to have been discovered by Minamoto no Yoritomo. Historically, it served as the stage for 'Jikan-yu' (timed bathing), supporting balneotherapy culture, and is truly considered the soul of Kusatsu. Its distinctive aroma and powerful waters, which feel as though they firm the skin, seem to awaken the mind and body from within. Surrendering to its embrace offers a pure moment to shed daily clamor and rediscover one's true self. This spring is a sanctuary for those seeking a fresh start and rejuvenation.