Lio Matoh (also known as Lio Matu) is a remote Kenyah Badeng longhouse settlement in the mountainous interior of the Marudi division of Sarawak, Malaysia,[1] not far from the border with Indonesia.

[2] It lies approximately 572.6 kilometres (356 mi) east-north-east of the state capital Kuching.

Travel to Lio Matoh involves a four-hour 4WD drive from Long San, or it is possible to trek between Lio Matoh and Bario,[3] but it takes seven to nine days.

[4] The Baram River begins as a stream near Bario, and it flows through Lio Matoh, the highest that small boats can navigate.

[5] It is possible to travel downriver from Lio Matoh by longboat: it takes two days to get to Long San by this method.