The locals make a real flap about the storks that nest at San Chim Vam Ho Bird Sanctuary , as a stork sitting on the back of a water buffalo is the quintessential image of the Mekong waterways. The sanctuary is 38km east of Ben Tre town. Ben Tre Tourist has speedboats that can make the round trip in about two hours, or slow boats that take about five hours. Compare the going rates at Ben Tre Tourist with what freelance boat operators charge.