We can see the Akjagaya Basin, the Mergenashan Ravine, including Zengibaba area near the Gaplanggyr Reserve in the territory of the Dashoghuz Province. They are located in the desert area in 180 km. distance from the centre of the Dashoghuz Province and in 60 km. of south-west from the Ruhubelent township, at the foot of the Shasenem State Nature Reserve. These beautiful places of nature are remarkable for their geographic location, by their unique flora and fauna.

According to the legend among the people once upon a time the saint person by the name Zengibaba lived in this part of the country. He was the god of cows. Sitting on top of the hill on the bank of the lake with fresh water, around which there was abundance of green grass Zengibaba pastured cows. The seven metre long grave of Zengibaba has preserved to our times on the top of the mentioned hill. The lake situated near it is called the Zengibaba Lake. The total area of the Zengibaba Lake is equal to 2470 hectares and the volume of water is equal to 140 cubic metres. It borders on the Shasenem State Reserve. This lake was formed as a result of flow of drains in the north-west of the Zengibaba Elevation. The deepest point of it reaching 16 metres of depth is situated in the eastern part of the lake. Large and small drains joining together form the 15 km. long lake. The bushes of tamarisk and canes, saxaul woods, high hills surrounding the basin, different animals make this place attractive. Besides that, there are good living conditions for different species of fishes, for birds and other animals in the lake. The Zengibaba Lake has been included into the list of important ornithological centres of Turkmenistan.