The last fifteen meters is a vertical ascent into the air chamber.

Even if he was fresh and had proper gear, a vertical ascent of the shaft would be nearly impossible.

This is the greatest vertical ascent of any trail within the park.

Fortier barely waited for them to be inside before making a rapid vertical ascent.

Forward it rolled; then upward in an almost vertical ascent.

He is in a cultural skyrocket, a vertical ascent.

He had to trust that the vertical ascent would be the same.

Total vertical ascent for the race is 1,660m.

It was business as usual for the prince of the vertical ascent.

He will use another, the "mountain foot," for the vertical ascent.