Sen Monorum Waterfall Locates at Sen Monorum District in five-kilometer distance from the provincial town by red soil trail, Along either sides of the trail, there are industrial plantations like rubber, coffee and cashew as well. The local people usually meet each other at Sen Monorum waterfall during the holidays and national festivals because it closed to the provincial town. Sen Monorum waterfall has three stages: -First stage: The waterfall has slow speed, one-meter height and 2-4 meter diameter. -Second stage: During the rainy season, the waterfall has strong speed, 6-7 meter height and 8-meter diameter. During the dry season, the waterfall has 7-9 meter height and 4-5 meter diameter. At the waterfall, there is a large space of resting and enjoying. -Third stage: Locates at one- kilometer distance from the second stage. The waterfall has 1.5-meter height only.