The Indonesian island of Sulawesi is ideal for adventurous cyclists: this is for riders who want the physical challenge of tropical mountains, who are looking for cultural adventure in a traditional Asian society off the beaten track, and who view the unpredictability of travel in a developing country as something to be expected and enjoyed.

This tour takes in three of South East Asia's most diverse and fascinating countries. Commencing in Saigon we head into Vietnam's rice bowl and the Mekong Delta. This fascinating area is flat and lush and is quite unlike anywhere else in Vietnam and with it mix of Khmer and Vietnamese people make this a diverse and interesting region to explore.

Tumbuna is the Tok Pisin (the lingua franca of Papua New Guinea) word for ancestors. "Taim Bilong Tumbuna" refers to the time before the white-man came, being the ways of the ancestors.

This challenging mountain bike ride will take you through the dramatic, volcano-strewn (14 active) island of Flores in Eastern Indonesia.