Photo: Sergey Pesterev · CC BY-SA 4.0
Siberia, Russia · Russia
Every February Lake Baikal — the world's deepest lake — freezes into a metre-thick sheet of the clearest ice on Earth. Walking on it is vertiginous: beneath your crampons the black water falls away a kilometre, methane bubbles hang frozen in pale columns, and turquoise pressure ridges stack shattered plates taller than you are. The classic five-day trek works the Small Sea strait around Olkhon Island — ice caves and grottoes hung with icicles at Cape Khoboy, nights in island guesthouses or tents on the ice, days navigating a surface that groans and cracks like whale song. The ice is the variable: it is generally sound from February to mid-March, and a local guide who reads it — where the cracks run, where hummock fields hide thin spots — is non-negotiable. Minus 20 °C days are standard and the wind off the ice is scouring; bring serious insulation and glacier glasses for the glare. Access is via Irkutsk and the road to Khuzhir. Around £2,500 for a guided week including transfers — and check current UK Foreign Office travel advice for Russia before planning at all.
Prefilled for 1 February 2027 — the next best-season window. Search on partner sites — opens in a new tab.
Tour operators & guided experiences via Viator
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