Bolshoy Lyakhovsky Island
Island Large Arctic island in New Siberian Islands
Part of Russia’s New Siberian Islands, Bolshoy Lyakhovsky draws researchers and adventurous visitors for permafrost landscapes, Pleistocene fossil finds and stark Arctic coastlines.
Bolshoy Lyakhovsky Island is the largest of the Lyakhovsky Islands in the New Siberian archipelago off the north coast of eastern Siberia, in the Sakha Republic. The island is notable for its exposed permafrost cliffs and abundant Pleistocene fossil deposits.
The coastline features high permafrost bluffs where thaw and erosion regularly reveal ice-rich yedoma deposits and fossil bones. The interior is low-lying tundra and coastal plains typical of the high Arctic.
Russian Arctic explorers and traders reached and reported the Lyakhovsky Islands in the late 18th century, and scientific interest in the islands grew in the 19th and 20th centuries because of the fossil record. Ongoing scientific expeditions study permafrost stratigraphy, paleoecology and climate records preserved in the deposits.
The island lies in the Laptev Sea north of mainland Yakutia and is administered as part of the Sakha Republic. There are no permanent settlements and access is limited to summer boat landings or aerial transport when weather and ice conditions allow.
- Fossil exposures: Coastal permafrost cliffs expose Pleistocene yedoma deposits and large numbers of fossil remains, including mammoth material, making it important for paleontological research.
- Access constraints: Access is by sea or air only and is seasonally constrained by Arctic sea ice and weather, so visits require specialist logistics and planning.
How to Get to Bolshoy Lyakhovsky Island #
Bolshoy Lyakhovsky Island is reached by polar expedition ship during the Arctic summer or by specially equipped aircraft in rare cases. Expeditions depart from Russian Arctic ports and require permits and logistical coordination with Russian authorities.
Tips for Visiting Bolshoy Lyakhovsky Island #
- Expedition access requires permits and careful planning-travel is logistically complex and seasonal
- Respect permafrost and archaeological sites-melting ground can reveal artifacts that should be reported to authorities
- Travel with experienced arctic guides and appropriate cold-weather gear; summer travel is still cold and remote
Best Time to Visit Bolshoy Lyakhovsky Island #
Best visited in the brief Arctic summer (June-August) when sea-ice retreat allows access and daylight is long.
Weather & Climate near Bolshoy Lyakhovsky Island #
Bolshoy Lyakhovsky Island's climate is classified as Tundra - Tundra climate with cold summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -35°C to 6°C. Very dry conditions with minimal rainfall.
January
January is freezing with highs of -28°C and lows of -34°C. The driest month with just 5 mm.
Comfort
Weather
February
February is the coldest month with highs of -29°C and lows of -35°C. The driest month with just 5 mm and partly cloudy skies.
Comfort
Weather
March
March is freezing with highs of -25°C and lows of -32°C. Almost no rain and mostly overcast skies.
Comfort
Weather
April
April is freezing with highs of -17°C and lows of -25°C. Almost no rain and partly cloudy skies.
Comfort
Weather
May
May is freezing with highs of -6°C and lows of -12°C. Light rainfall and mostly overcast skies.
Comfort
Weather
June
June is cold with highs of 3°C and lows of -2°C. Light rainfall and mostly overcast skies.
Comfort
Weather
July
July is cold with highs of 6°C and lows of 1°C. Light rainfall and mostly overcast skies.
Comfort
Weather
August
August is cold with highs of 5°C and lows of 0°C. Light rainfall and mostly overcast skies.
Comfort
Weather
September
September is freezing with highs of 1°C and lows of -3°C. Light rainfall and mostly overcast skies.
Comfort
Weather
October
October is freezing with highs of -9°C and lows of -14°C. Light rainfall and mostly overcast skies.
Comfort
Weather
November
November is freezing with highs of -21°C and lows of -27°C. Almost no rain and partly cloudy skies.
Comfort
Weather
December
December is freezing with highs of -26°C and lows of -32°C. The driest month with just 5 mm.
