ThermaeExplore the map →

Tsukuba Spa Garden Ibaraki

Tsukuba, Ibaraki, Japan
Tsukuba Spa Garden Ibaraki
Location
Tsukuba, Ibaraki, Japan
Water type
sodium chloride
Temperature
41 °C
pH
7.3

Water profile

Thermicity
Sedative
41 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Restorative
LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy
Effortless float
LowHigh

Dense, salty water — you float without effort.

SodiumChloruresBrome

Tsukuba Spa Garden Ibaraki is located in Tsukuba City, Ibaraki Prefecture, a planned science city established in the 1960s and 1970s to relocate research institutions from Tokyo — now home to over 300 research institutes and universities including the National Institute of Advanced Industrial Science, the High Energy Accelerator Research Organisation (KEK), and the Japan Aerospace Exploration Agency's Tsukuba Space Center, making it one of the highest concentrations of scientific research in Asia. The bicarbonate thermal waters draw from the deep sedimentary geology beneath the Tsukuba Science City, providing therapeutic bathing in a uniquely intellectual community context where Nobel laureates, particle physicists, and space researchers share the same mineral bath as the region's farmers in a democratic expression of Japan's hot spring culture. Mount Tsukuba — the sacred 'Mountain of Purple' rising 877 metres above the Kanto Plain as one of the 'Hundred Famous Mountains of Japan' — provides a spiritual counterpoint to the city's scientific rationalism, and the spa serves as a contemplative retreat between Tsukuba's intellectual demands.

Insider tip — Tsukuba Spa Garden sits in the shadow of Mount Tsukuba, a sacred twin-peaked mountain venerated in Japanese poetry since antiquity. The sodium-chloride waters are drawn from deep strata beneath the Kanto plain, delivering a warming saline bath popular with science city residents and university staff. The facility blends modern spa amenities with traditional bathing culture at the foot of the mountain. A post-bath walk in the Tsukuba mountain foothills rewards with panoramic Kanto plain views.
Find hotels nearby →Tickets & activities →See the map & practical info →

Nearby

Frequently asked questions

How hot is the water?
The water runs quite hot here, around 41 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).