The internal layout of Namtok Sam Lan National Park is systematically organized, centering around Khao Ruak Reservoir, a prime location for camping and lakeside relaxation. This area connects to nature trails and various waterfalls, including "Sam Lan", "Pho Hin Dat", and "Ton Rak Sai". The park map clearly indicates the location of facilities like the visitor center, parking areas, and accommodation zones surrounded by mountains, enabling visitors to safely plan their treks or mountain biking trips along designated routes. Furthermore, interpretive signs and maps are strategically placed at key intersections to help tourists thoroughly and conveniently explore the biodiversity and various scenic viewpoints within the park.