It is made up of an isolated and lesser continuous mountain chain compared to the Arfak Mountains.

The Tamrau and Arfak Mountains are both divided by the grassy Kebar Valley, which is the heartland of many indigenous people, with a variety of backgrounds.

The Tamrau Mountains have been scantily surveyed.

The mountains are an important and threatened site of biodiversity, part of the Vogelkop montane rain forests ecoregion.

This West Papua location article is a stub.