There were mountain ranges to the north and south, the northern ones white with what little water this world had in free-state, as snow.

Three ramparts are located on the east slope with the two northern ones being close together.

It was the southern continents against the northern ones.

The two southern staircases face south while the two northern ones face east or west.

The two South American species swim and dive less often than the three northern ones.

Although the other faculties played a role there too, the northern ones were notable for their accent on law.

Southern individuals are larger than northern ones.

The Southern Hold differed from northern ones in many respects, and, at this time of day, was uninhabited.

Three city-owned docks were established in 1766, the northern and southern ones later being expanded into wharves.

I was guessing at the Kuril Islands, one of the more "northern" ones here now.