The nation of Indonesia stretches along an equatorial archipelago numbering nearly 18,000 islands in total. Encompassing several ecosystem types as well as straddling the boundaries between the Oriental and Australasian faunal regions, Indonesia is one of the most biodiverse nations on Earth.

The Sepik River is one of two vast tropical river systems in Papua New Guinea that meander through the densely forested lowlands of the world's second largest - and the world's tallest - island. Along the banks of the river and its many tributaries live sparsely scattered, remote villages scarcely contacted by the outside world, where people live a lifestyle that has changed little for thousands of years.

This is a six day module that can be woven into a tailor-made holiday in Cambodia. It gives an essential view of the the most famous temples of the Angkor period but goes one step beyond taking you to more remote and lesser known sites.

An exceptional island-hopping adventure from one palm-fringed tropical island to another, culminating in Coron to snorkel or dive on a fleet of Japanese shipwrecks, and to kayak around spectacular, towering limestone islands.