More challenging ascents commence from the Geltenhütte (2,759 m), above the Col du Brochet.

In the central areas, it is often through open farm fields with some rolling hills and an infrequent challenging ascent.

In the West, it is combined rolling and flats with a couple of quite challenging ascents, one being optional.

Our trek in the Rwenzori includes a challenging ascent on Margherita (5109m), Africa's 3rd highest mountain.

Polly Brown is the latest winner of our weekly travel writing competition for her account of a challenging ascent in to the Pyrenees.

A challenging ascent on Kenya's highest peak.

Roper ranked the climb among the most challenging first ascents in the North Cascades in the past several years.

Walk in the Masai Mara Game Reserve followed by a challenging ascent on Kenya's highest peak.

During the strenuous and technically challenging ascent, Anker acknowledges, he put his foot on a rung of the ladder at a critical point.

He has made many challenging first ascents, primarily in the Vedauwoo rock climbing area in Southeast Wyoming.