Which Arctic strait separates the Taymyr Peninsula from Bolshevik Island?

The Arctic strait separating the Taymyr Peninsula from Bolshevik Island is Vilkitsky Strait.

Located in northern Russia, the strait separates mainland Siberia from Bolshevik Island, the southernmost major island of the Severnaya Zemlya archipelago. It connects the Kara Sea to the Laptev Sea and forms an important geographical passage along the Northern Sea Route.

A Russian hydrographic expedition led by Boris Vilkitsky discovered the strait in 1913 during a survey of the Arctic Ocean. It was named after Vilkitsky in 1918. The waterway is roughly 128 kilometres long and about 55 kilometres wide, although published measurements can vary by definition.

The strait is difficult to navigate because drifting sea ice can remain throughout the year. Its name is easy to confuse with Dmitry Laptev Strait, which lies farther east and separates the mainland from Bolshoy Lyakhovsky Island. Kara Strait, another distractor, lies between Novaya Zemlya and Vaygach Island.