Ice itself is a potent eroder of mountains, but with regard to aridity, both the northern Himalayas and parts of the Chilean/Argentinian Andes are in arid regio

Ice itself is a potent eroder of mountains, but with regard to aridity, both the northern Himalayas and parts of the Chilean/Argentinian Andes are in arid regions - though not arid enough for them to be ice-free, at least for now.