Olsobip is a station town in the north of the Papua New Guinean Western province, located on the Upper Fly River.

It has a rural airport (OLQ) but, set in a rich forest, it is inaccessible by road.

As a result of its isolation, accurate census data is difficult to obtain from Olsobip.

[2] The people of Olsobip belong to the Mountain-Ok culture area which is located in the Western range of Papua New Guinea.

[5] Although no official scientific weather station has ever been established in the area it is known to be extremely wet and has been claimed to be one of the wettest places on earth with a rainfall in excess of 10 metres a year.