The north and south islands appeared to be single mountains of a considerable height.

This is a single mountain, but the name of the scenic area changes on the border.

A mile to the south was a single isolated mountain.

This single mountain rose from the depths of the ocean to form a small island.

It seemed to have all been carved from a single mountain of rock.

An island with a single, high mountain at its center.

Geologists considered them the highest single mountains in the world-19,000 feet below the ocean, almost 14,000 above.

Stone walls from the shoreline wound around the island to the top of a single mountain.

This name comes from a single mountain nearby that the natives noted hid the sun as it set in the area.

Or perhaps it was a single mountain; at that distance I could not be sure.