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Lake Baikal

The sacred sea of Siberia - the oldest and deepest lake on earth, holding a fifth of the world's fresh water, a vast crescent of astonishing clarity ringed by mountains and taiga, famous for its wildlife and its dramatic frozen winter.

Updated 6 August 2026

Lake Baikal

AI illustration

UNESCO World Heritage

Typelake
WhereSiberia (Irkutsk / Buryatia)
Nearest cityIrkutsk
Best seasonJuly to September, and February to March for ice
Time to allowSeveral days
Getting thereEastern Siberia, via Irkutsk
EntryOpen; national park areas

Lake Baikal, curving for over 600 kilometres through the mountains of southern Siberia, is one of the great natural wonders of the world, the oldest lake on earth at some 25 million years, the deepest at over 1,600 metres, and holder of around a fifth of all the planet's unfrozen fresh water. Its waters are famously clear, home to unique creatures found nowhere else, including the Baikal seal. Ringed by taiga forest and snow-capped peaks and dotted with islands such as sacred Olkhon, it is revered by local Buryat people. In deep winter it freezes into a vast expanse of astonishing turquoise ice, a UNESCO World Heritage site of elemental beauty.

What you'll find

  • The clear waters - the astonishing clarity of the world's deepest lake.
  • Olkhon Island - the sacred island at the lake's heart.
  • The frozen ice - the vast turquoise ice sheet of deep winter.
  • The wildlife - the unique Baikal seals and taiga surroundings.

When to go

July to September offers mild weather for boating, hiking and the villages of Olkhon, while February to March draws visitors to walk and drive on the spectacular clear ice; spring and autumn are quieter transitional seasons. Each brings a completely different face of the lake.

Before you go

Baikal is remote, reached by long journeys via Irkutsk, and its two great seasons demand very different preparation, mild summer travel or extreme winter cold on the ice. As the oldest, deepest and one of the most beautiful lakes on earth, a sacred Siberian sea of extraordinary clarity and, in winter, spellbinding ice, though, it is a genuine natural wonder.

Nearby

The city of Irkutsk, Olkhon Island and the Circum-Baikal Railway lie around the lake.

Key facts

Local nameБайкал (Russian)
Heritage statusWorld Heritage Site
Elevation456 m (1,496 ft)
Area31,722 km² (12,248 sq mi)
Length636 km (395 mi)
Location53.3028° N, 108.0047° E · map

Source: Wikidata, item Q5513, read on 18 October 2026.

What to pack for Lake Baikal

Chosen from what this place is for. Tap a kit for the full checklist.

  • Broken-in walking shoes or boots - Grip and ankle support matter more than looks; never hike in brand-new boots. Find on Amazon
  • Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
  • Binoculars - The single best wildlife tool - even a compact pair transforms a sighting. Find on Amazon
  • Warm base layers - Merino or synthetic against the skin - never cotton, which chills when damp. Find on Amazon

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Plan your trip

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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