If thrills are what you're after, head to Sirin Aquapark, located 5.8 mi (9.3 km) from central Kayseri. If you'd also like to explore some of the parks in Kayseri, Recep Tayyip Erdoğan National Garden is nearby.
You can spend an afternoon exploring the galleries in City and Mimar Sinan Museum during your trip to Kocasinan. Make time to visit the monuments and spas while you're in the area.