G-09 Harmankaya Waterfalls is one of the places that the Provincial Directorate of Culture and Tourism deals with within the scope of nature tourism. In parallel with this, it was declared as a Natural Monument by the Ministry of Agriculture and Forestry in 2019. The waterfalls are located on an area of 158 hectares and within a 12 km2 forested mountain basin. The area has a karstic geological structure. Therefore, there are many cave systems in it.

To reach the area, which is approximately 4 km away from the city center of Zonguldak and located between Elvanpazarcık town and Merkez Kokaksu District, it is necessary to cross a track of approximately 3.5 km. The valley, through which the Karagöl Stream passes, is a challenging but enjoyable track. There are 7 waterfalls of different sizes and heights along the course. To reach the waterfalls, one must descend to the pathway in the valley. In general, there are descents, ascents and stairs from place to place in the track.

The combination of different tones of water and green in the region, which has a very rich flora and fauna, offers eye-catching beauties. The region, which is extremely suitable for trekking, also has attractive features for those engaged in photo safari, wildlife watching and angling. In addition to the rich flora members such as chestnut, linden, beech, laurel, hazelnut that we can observe in the area, various species of frogs, lizards and snakes, silverfish, carp, tortoise, various bird species, hedgehogs, hares, jackals, foxes, wild boars, It contains fauna members such as marten, roe deer, wolves and squirrels. Seedless plant flora such as moss and fern are also abundant in the area.