Pingdingshan City, Henan Province, Maanshan City, Anhui Province and Luohe City, Henan Province are the names of which mountain and river?

The name of Pingdingshan comes from Pingdingshan, which is a mountain peak in south-central Henan Province. Because of its flat top, it is called Pingdingshan. Ma 'anshan is named after Ma 'anshan, a mountain peak in the east of Anhui Province, because it looks like a saddle. The name of Luohe comes from Luohe, a river in south-central Henan Province.