Wutan Waterfall, formerly called Dongxi Waterfall, （中文版: 武潭瀑布 (東西瀑布)）is one of the most fun roadside waterfalls in the South. The water is deep and it's full of kids playing in the summer. You can jump off the sides and and slide down the slide. It's a popular place for the locals to go and bbq. You can drive all the way to the base of the waterfall, there is no hike at all. You're just right there.
Above the main waterfall there is another waterfall with a ladder and jumping spot. It's only a 10 minute walk from the first waterfall
Above that waterfall there appears to be a huge waterfall. You can see it in the satellite photos, but I have never been there.
Wutan Waterfal (Dongxi Waterfall)
Pingtung County, Taiwu Township
Waterfall and Parking: 22.585093, 120.641308
Detailed Map: https://goo.gl/VMH8R5