Drift ice along the eastern coast of the Shiretoko Peninsula

Hokkaido's northeastern coast, including the Shiretoko Peninsula, is the southernmost region of the northern hemisphere to see drifting sea ice (流氷, ryūhyō) during winter. Drifting across the Sea of Okhotsk from northeastern Russia, the ice usually appears along the peninsula by late January and disappears again by early April. The best timing to view the ice is typically around the second half of February.

Under good conditions, drift ice can be seen from the coastal road on the peninsula's western coast. Furthermore, the ice can be enjoyed by participating in various ice drift related tours from Utoro, including "ice walk tours" in which tour participants, dressed in dry suits, are led out onto the ice by guides. Or, if there is not much solid ice, the tours can involve more swimming than walking. Tours usually take two hours, cost around 5000 yen and can be booked through one's hotel or through the website Japanican.

Rausu on the peninsula's eastern coast usually receives less drift ice than Utoro, allowing for drift ice cruises to be operated from January to April. Various sea birds, including majestic eagles, can be seen on those cruises.

An ice walk tour in Utoro that involved more swimming than walking due to a lack of solid ice

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