Maeyai Waterfall is located within Khao Sok National Park and is the only waterfall accessible by car in the park. It can be found along Highway 401 at kilometer 113. This single-tier waterfall stands approximately 30 meters high and is exceptionally beautiful, especially during the rainy season when the water cascades down the steep cliffs, creating frothy white splashes. It is situated about 5.5 kilometers from the national park's visitor center.