успон in English:

The ascent took them a day, but they reached the summit.

the first ascent of Mt Everest

the ascent (zdobycie szczytu) of Everest

ascent to power

ascent to the throne

He made his second successful ascent of Everest last year.

The ascent took them a day

This ascent is the safest on this mountain

The first ascent of the Eiger North Face took place in 1938.

The Alpinists carried out the ascent, but they did not return safely.