Datanla waterfall and Roller Coaster .Datanla waterfall is 5 km south of Dalat. You can not only visit the waterfall for the view, but you can also participate in adventurous activities such as canyoning, abseiling and even a roller coaster. The waterfall has different “levels”, each with a different “activity”. In addition to these activities, there is also a restaurant and souvenir shop.