Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Ust-Kut Hot Springs Irkutsk are geothermal mineral springs located in Ust-Kut, a remote city on the Lena River in Irkutsk Oblast, Siberia, Russia, a key node on the Baikal-Amur Mainline railway in one of the world's most pristine wilderness regions. The natural chloride-sodium waters here rise from deep Siberian rock formations and are valued for their brine-like mineral composition within a long thermal tradition associated with the comfort they leave on the skin and with muscular relaxation. Offering the rare experience of soaking in remote Siberian hot springs surrounded by vast taiga forest, Ust-Kut presents one of Russia's most off-the-beaten-path thermal destinations.
Insider tip — Ust-Kut lies deep in eastern Siberia along the Lena River at the northern terminus of the Baikal-Amur Mainline railway, making it one of Russia's most remote accessible hot spring destinations. The bicarbonate sodium-chloride waters were discovered during Soviet-era oil exploration drilling and have been prized by the local Siberian population since the 1960s. The surrounding taiga forest stretches unbroken for hundreds of kilometers in every direction, giving winter bathing sessions an otherworldly atmosphere of steam rising into the frozen air. Reaching Ust-Kut by the BAM railway from Taishet is itself an epic Trans-Siberian sidetrip.
