The Penibaetic System is the northernmost of the three systems of mountain ranges in the Iberian Peninsula.
 An example of such a specialized town is La Rinconada, Peru, a gold-mining town and the highest elevation human habitation at 5,100 metres (16,700 ft)
The highest mountains above sea level are also not those with peaks farthest from the centre of the Earth, because the figure of the Earth is not spherical

