Kaeng Lamduan or Kaeng Lamduan Waterfall Located in the area of Ubon Ratchathani Wildlife Conservation Development and Promotion Station. Kaeng Lamduan Waterfall has a lot of Lamduan trees. The rapids are beautiful. according to the nature of Kaeng Hin and the purity of the water Caeng Lamduan has a lot of visitors. Interesting activities of Kaeng Lamduan include swimming in a shady atmosphere. And nature walks and the most interesting thing to come to this place is in late August. until mid September Visitors will be able to see a miraculous phenomenon known as “Shrimp march” is a phenomenon in which millions of shrimp march in a long line. Heading to the high peak on the Phanom Dong Rak mountain range to go up and spawn. therefore considered Unseen Thailand that should not be missed.