The crater has a rugged central peak and a smooth radar-dark floor, probably volcanic material.

The rugged peaks of the Atlantic Ridge formation stood out on either side.

I saw a 'table mountain' and rugged peaks of every kind, although with no snow on the tops as yet.

She looked over to the mountains where the sun had just descended behind the rugged peaks.

The rugged peaks have a great deal of biological diversity.

The highest, most rugged peaks of Marojejy owe their form to the gneiss from which they are made.

From Highway 101, no one would suspect the presence of these wild, rugged peaks.

They drifted down past the huge, rugged peaks of Luna.

A series of rugged peaks whipped past, and then the dragon slowed once more.

The lake was a blue jewel set within the rugged green peaks of the lower Alps.