High altitude habitation is a term used to describe living in areas that are located at high altitudes. The term 'EYRIE' is a five letter word that is often used to refer to such habitations. An EYRIE is a nest built on a high place, usually on a mountain or cliff, and is typically used by birds of prey. It can also be used to refer to any high altitude dwelling, such as a mountain cabin or a mountaintop village.