The Tat Sae Waterfalls popular as the Tad Sae Waterfalls are those waterfalls situated along the tributary of River Nam Khan in Luang Prabang, Laos about 18 kilometers southeast of Luang Prabang and 2 kilometers from village Bak En. The falls flow over the limestone formations among trees. Takes about an hour to reach by a tuk tuk or a shared minivan and a fee of 10,000 kip (or $1.25) is charged for a round boat trip to the fall from riverbank.
The rainy season has always been marked as the ideal time for a visit to the falls; as December to July stays dry. The limestone cascades have always been a sight worth seeing. A number of pools wait the dry feet. Picnicking is a popular pastime at these falls. Elephants are often hired for a joyride. . Elephant tour operators offer this option as the last leg of the trip, however in the dry seasons they skip it.