Kizlyar, Volcanic caldera in Kamchatka Peninsula, Russia.
Uzon is a volcanic caldera on the Kamchatka Peninsula with numerous hot springs, mud pots, and colorful thermal lakes scattered across the landscape. The interior displays different zones with varying temperatures and chemical compositions.
The caldera formed millions of years ago through massive volcanic eruptions that shaped the landscape. Later hydrothermal activity created the thermal features visible today.
The thermal zones draw researchers who study life thriving under extreme conditions here. This scientific focus has made it a center for understanding organisms adapted to harsh environments.
Access is through a protected reserve and requires advance permits and on-site planning. Visitors should bring sturdy hiking gear since the ground is uneven and hot in some places.
A lake in the northeast fills a volcanic maar crater from a much younger eruption phase. This body of water provides a quiet contrast to the bubbling hot springs elsewhere in the caldera.
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