 Parts of the range lie within Fiordland National Park, and they form the southern extremity of Mount Aspiring National Park.The range was named by early explorer James McKerrow, and like many geographic features worldwide, it was named in honour of notable scientist Alexander von Humboldt.The Humboldts run roughly north-south for a distance of some , its eastern and western edges defined by the roughly parallel glaciated valleys of the Hollyford and Dart Rivers.