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Kakeroma Onsen

Kakeroma, Kagoshima, Japan
Kakeroma Onsen
Location
Kakeroma, Kagoshima, Japan
Water type
silica
Temperature
42 °C
pH
7.2

Water profile

Thermicity
Sedative
42 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Balancing
LowHigh

Rich in trace elements — gentle on the skin.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

SiliceSodiumBicarbonates

Kakeroma Onsen is located on Kakeromajima Island in Setouchi Town, Kagoshima Prefecture, the second-largest island in the Amami island group — a dramatic, rugged island of deeply forested mountains, sea caves, and the extraordinary Yadon (Amami rabbit) habitat, accessible from Amami Oshima by ferry and offering a more remote and undeveloped alternative to Amami's main island resort infrastructure. The siliceous thermal waters here provide mineral spring bathing on an island of remarkable natural beauty, where the dramatic coastline of Kakeromajima's sea caves and forested coves, the clear subtropical waters of the surrounding Amami sea, and the island's relative remoteness create an atmosphere of genuine tropical island wilderness far from mainland Japanese tourism. Bathing at Kakeroma Onsen on this wild and forested Amami island provides a uniquely secluded and naturally immersive hot spring experience in one of the most pristine and least-developed islands in the Kagoshima island chain, where the siliceous thermal waters complement the extraordinary subtropical wilderness heritage that makes Kakeromajima one of the Amami group's most compelling destinations for nature travelers.

Insider tip — Kakeroma Island lies just south of Amami Oshima, separated by a narrow strait, and its thermal facilities tap silica-rich groundwater from the same volcanic-limestone geological formation. The island is sparsely populated with rugged mangrove coastlines accessible mainly by small ferry. Bathing here feels profoundly remote; the silence broken only by the calls of endemic Ryukyu wood pigeons in the surrounding subtropical forest.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 42 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features silica water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.