Plizio Visual Lab

Wrangel Island Reserve

Plizio editorial teamUpdated: Aug 2026Data Sources

wildlife

Weather…

Situated high in the Arctic Ocean, the Wrangel Island Nature Reserve is one of the most remote and pristine arctic wildernesses on the planet. This harsh and icy landscape is globally recognized as the primary nursery for polar bears, boasting the highest density of maternity dens in the world. Every winter, hundreds of female polar bears seek refuge here to birth their cubs safely. Additionally, the island serves as a critical sanctuary for the Pacific's largest colony of walruses, as well as musk oxen and numerous rare arctic bird species. Paleontologically, Wrangel Island holds immense significance as it was the very last stronghold of the woolly mammoth, where a small population survived until roughly 4,000 years ago, long after mainland mammoths had gone extinct. Because of its unparalleled ecological diversity and deep historical value, the reserve has been designated as a UNESCO World Heritage site.

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Best time to visit & climate

The most pleasant time to visit is Jun–Aug.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	-22	-21	-19	-14	-5	2	4	3	1	-4	-11	-19
Rain mm	18	20	15	15	21	31	47	52	46	40	32	22

📋 Practical info

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Best season

The best time is late summer from August to September when polar bears leave dens with cubs. Arctic spring is short; in winter the island is dark and extremely cold.

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Best time of day

In summer there is 24-hour daylight; bears are active at any time. Best visibility is early morning in diffuse light. Avoid midday sun which creates harsh shadows.

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Etiquette

Keep at least 500 meters distance from polar bears; never get between mother and cub. Feeding is forbidden. Move only with an armed guide.

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What to bring

Extremely warm layered clothing, windproof jacket and insulated boots are vital. Good binoculars and a camera with telephoto lens are indispensable. Sunglasses against snow blindness.

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Getting there

The island is in the Arctic Ocean, reachable only by icebreaker or helicopter. Special expeditions are organized from Russia, requiring permits. The trip is expensive and lengthy.

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What to expect

Polar bears are more common here than elsewhere, but sightings depend on weather and ice movement. Spend several days on the island. An experienced expedition leader greatly increases chances.