Ballıkayalar Nature Park
Located within the borders of Kocaeli province, Gebze, and Dilovası districts, Ballıkayalar Nature Park (Ballıkayalar Doğa Parkı) is rich in geomorphological, biological, landscape, and recreational resource values. Ballıkayalar is a nature park as it hosts many creatures such as hawks, jays, hoopoes, nightingales, jackals, foxes, rabbits, wild boars, and moles. It includes oak, hornbeam, chestnut, maple, ash, linden, yew, Scotch pine, fir, alder, willow, and sycamore species. In addition, there are nearly 50 butterfly species in the region. It is also a suitable location for rock climbing and trekking. It is an alternative natural park among naturalists.