Discover Cambodia by bicycle in this cross-country exploration of Southeast Asia's last great unexplored kingdom.

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.

Cambodia has some spectacular opportunities for the more adventurous, active visitor. The mountainous northeast provinces of Ratanakiri and Mondulkiri are still largely forested and home to a number of tribal minority peoples, while the Cardamom Mountains of the southeast are considered to host the largest remaining contiguous block of rainforest on mainland South East Asia.

Staying as a guest of a community can be a highly rewarding experience, adding real meaning to a holiday and creating opportunities for a genuine cultural exchange leaving all parties wiser and more enlightened to cultural differences. Koh Yao Yai...