Cambodia - Vietnam - Myanmar Tours Tours, This spectacular and unforgettable regional tour traverses 3 countries and explores the mighty Mekong River in all its glory. Start with the colonial charm of Vietnam’s capital, Hanoi, we move Southward to discover whole the country and history of Vietnam. The trip connects Vietnam with Cambodia and Myanmar to visit the greatest Heritage sites of Southeast Asia… The tour could start from Siemreap and end in Yangon or vice versa.