
Miniature volcanoes. Small cones emit steam from the depths of the caldera of the Uzon Volcano

The ridge of the Taunshitz Volcano rises behind the rim of the caldera of the Uzon Volcano in July

July in the caldera of the Uzon Volcano

Uzon Caldera at dawn. The first rays of sunshine light up the summit of Uzon. Beyond it can be seen the two-headed peak of Taunshitz Volcano

Dalnee (Far) Lake is still covered with ice in the Uzon Caldera in July

A hot spring in the Uzon Caldera spews a large range of chemical elements

A hot spring ringed by thermophilic bacteria is one of many unique phenomena in the vast caldera of the Uzon Volcano

The floor of the caldera of Uzon Volcano puckers with mini volcanoes

Krasheninnikov Volcano and Kronotsky Lake

Ducks beneath Kronotsky Volcano

Krasheninnikov Volcano, named after the explorer, as seen from the coastal tundra

Autumn on the Kronotsky-Bogachevsky lagoon

The snowy ridge of the Taunshitz Volcano rises behind the rim of the caldera of the Uzon Volcano in June

Heat from volcanic depths makes for intersting formations in the caldera of the Uzon Volcano

Thermal waters rise from a spring rimmed with a colony of thionic bacteria in the caldera of the Uzon Volcano in June

Snow-covered Kronotsky and the Pacific Coast. Kronotsky Volcano, with its near perfect cone, is connected to the cold waters of the Pacific by the Kronotskaya River

A lone larch watches over the frozen landscape of Kamchatka with the cone of Kronotsky Volcano rising in the backdrop

Kronotsky Volcano and river

Kronotsky Volcano and foggy forest

Kronotsky Volcano in autumn

Kronotsky Volcano and Kronotskaya River

In summer bears often go to the thermal field in Uzon Caldera for relief from swarms of bugs

Dalnee (Far) Lake is still covered with ice in the Uzon Caldera in July

Hot mud pots in Uzon Caldera

Hot mud pots in Uzon Caldera

Yellow sediments on a thermal field in Uzon Caldera

Eastern thermal field in Uzon Caldera

Bubbles in a hotspring in Uzon Caldera

The only geyser in Uzon Caldera, which began functioning in 2008 and was named Turbid Geyser

Steams bursts from the many fissures of the Uzon Caldera, here in October colors

Kizimen Volcano erupting, January 2011

The surroundings of Kizimen Volcano covered in ash in March 2011

Kizimen Volcano during its eruption, January 2011

A full moon over Kikhpinch Volcano

Fall colors on the Kronotskaya tundra by the lower Kronotskaya River with Kronotsky Volcano

Khryukinka River in autumn with Kronotsky Volcano

Lava outcrops on the shore of Kronotskoye Lake with Kronotsky Volcano

Unana Volcano as seen from Kronotskoye Lake

The twin summit of Krasheninnikov Volcano with Kronotskoye Lake and Kronotsky Volcano in the background

Craters on the summit of Krasheninnikov Volcano

Krasheninnikov Volcano as seen from the lower Kronotskaya River

Khryukinka River during a low-blowing snowstorm

The Tikhaya River doesn't freeze in winter and is the only river in the reserve with a slow current, flowing through coastal tundra

Meteorologist Creek with Kronotsky Volcano

Boiling mud forms new images with each puff of gas released in the Uzon Caldera

Mud swirls. Clay heated from the depths of the Uzon Volcano forms rhythmic patterns

The perfect cone of Kronotsky Volcano is visible everywhere in the reserve. The frozen edge of Kronotskoye Lake is in the foreground

Snow still covers much of the Taunshitz Volcano in June