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Khalzan uul rashaan suvilal

Ulaanbaatar, Central Aimag, Mongolia
Khalzan uul rashaan suvilal

Illustration photo — not a verified picture of this exact spot.

Location
Ulaanbaatar, Central Aimag, Mongolia
Water type
sulfurous, iron-rich
Temperature
42 °C
pH
6.5

Water profile

Thermicity
Sedative
42 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Bio-active
LowHigh

Rich in active gases or metals — a strong mineral character.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

SoufreSulfuresSulfates

Khalzan uul rashaan suvilal—Bald Mountain Mineral Spring Sanatorium—in Mongolia offers sulfurous and ferruginous mineral spring waters in one of Central Asia's most extensive and geologically varied thermal spring landscapes, where the volcanic geology of Mongolia's Great Lakes Depression and the surrounding mountain systems produces mineral springs of genuine mineral character in a landscape of extraordinary Mongolian steppe, desert, and highland diversity. The Mongolian rashaan (mineral spring or holy water) tradition holds a place in the nomadic culture somewhat analogous to the Japanese onsen tradition—natural mineral springs are sought for rest and well-being, associated with sacred or auspicious natural forces, and visited seasonally within a long bathing tradition. The sulfurous and ferruginous mineral combination gives the water a distinctive dual character—the hydrogen sulfide of the sulfurous component and the iron-rich character of the ferruginous component—in a Central Asian sanatorium tradition that adapts Soviet-era bathing infrastructure to Mongolia's genuine geological spring resources.

Insider tip — Khalzan uul rashaan suvilal is a mineral spring sanatorium set in the semi-arid steppe on the southern outskirts of Ulaanbaatar, Mongolia's sprawling capital at 1,350 metres elevation. The sulfurous and iron-rich waters emerging from volcanic basement rocks are part of the Mongolian rashaan tradition — springs considered sacred and restorative. The facility combines Soviet-era sanatorium architecture with open steppe landscapes stretching to the Khentii mountain foothills.
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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 sulfurous & iron-rich water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.