Kanagawa Prefecture is blessed with an incredible variety of day-trip hot springs — you do not even need to stay overnight. From urban onsen to mountain retreats, here is a guide to the best hot spring areas across Kanagawa.

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Yokohama and Kawasaki

Even the port city of Yokohama and the industrial hub of Kawasaki boast natural hot spring day-trip facilities. With excellent transport links from Tokyo, these are perfect for a relaxing soak after a day of sightseeing.

Hakone — Japan Ultimate Hot Spring Destination

Hakone is the crown jewel of Kanagawa hot springs. The area features the celebrated "Hakone Seventeen Springs" (Hakone Junanayu), a collection of 17 distinct hot spring districts that have developed since the Edo period. From simple alkaline springs to chloride-bicarbonate-sulphur springs, Hakone offers roughly 20 different mineral compositions — earning it the nickname "the department store of hot springs."

The seventeen springs include: Yumoto, Tonosawa, Odaira, Miyanoshita, Dogashima, Kiga, Sokokura, Ninotaira, Kowakudani, Gora, Miyagino, Sengokuhara, Ubako, Ashinoyu, Yunohana, Takogawa, and Ashinoko Onsen.

Just beyond Hakone lies Okuyugawara Onsen, a secluded hot spring town beloved by literary figures. Remarkably, this onsen was already celebrated in the Manyoshu, Japan oldest poetry anthology compiled around 1,300 years ago — the only hot spring in eastern Japan mentioned in that ancient collection.

Shonan Area

Surrounded by nature and ocean vistas, Shonan hot springs let you reset both body and mind. After your soak, take a stroll along the iconic Shonan coastline.

Tanzawa and Oyama Area

Nestled in the Tanzawa mountains within easy reach of central Tokyo, these hot springs are the perfect reward after a day of hiking through lush forests.

Sagami Lake and Sagami River Area

Soak amid lake and mountain scenery far from the urban bustle — pure relaxation in a tranquil setting.

Miura Peninsula

Feel the ocean breeze as you unwind. Miura Peninsula hot springs pair perfectly with fresh seafood and coastal walks.

Ashigara Area

Escape into the peaceful countryside of western Kanagawa for a restorative soak away from it all.

Budget Tip: Hakone and Yugawara Hot Springs Under ¥1,000

Even in famously upscale Hakone and Yugawara, several day-trip onsen facilities offer admission for under ¥1,000 — proving you can enjoy world-class hot springs without breaking the bank.

Whether you are planning a half-day escape from Tokyo or a full day combining sightseeing and soaking, Kanagawa day-trip hot springs add a touch of warmth and wellness to any itinerary.