[1] Streams running down from the Strandzha mountain range towards Black Sea formed alluvium on the shore, where floodplain (Turkish: longoz) occurred due to seasonal floodings.
[2] The 10 km (6.2 mi) long dunes with the plant species, unique to the southwestern Black Sea region, are of great importance.
Sprecies of European ash (Fraxinus excelsior), oak (Quercus), alder (Alnus), beech (Fagaceae) and maple (Aceraceae) are trees found in the national park forest.
[2] Birds like white-tailed eagle (Haliaeetus albicilla), European green woodpecker (Picus viridis), owl (Strigiformes), grey heron (Ardea cinerea), European cuckoo (Cuculus canorus), kingfisher (Coraciiformes), black stork (Ciconia nigra)) and hoopoe (Upupa epops) are observed in the area.
[2] As reptiles Hermann's tortoise (Testudo hermanni), southern crested newt (Triturus karelinii), lizard (Lacertilia), asp (Vipera aspis), earringed water snake (Acrochordidae) are found in the area.