Meet at hotel lobby, transfer to the train station at Tanjung Aru to board train to the agriculture town of Papar. The train journey will pass by mangrove swamps, villages and a glimpse of the rural countryside of Sabah. On arrival at Papar, board van/bus to the Klias River Jetty. On arrival at Klias River Jetty, local malay cakes with coffee and tea will be served. At 1700hrs, proceed for the boat cruise along the Klias River. Visitors on the Klias River Cruise have an opportunity to sight wildlife such as the Proboscis Monkey, Macaques, some birds, however sighting is by chance as the animals are in the wild. As the sunset, the twinkling of lights can be observed among the trees that line the river banks, these are the lights of the Fireflies. Return to the Klias River Jetty for a hearty dinner before proceeding back to Kota Kinabalu by van/bus. On arrival at the city of Kota Kinabalu, transfer to your hotel. End of tour.