During the tulip festival, it is a must-visit if you are in Istanbul. The best time here is April! At this time, there are more than 3.5 million tulips of different types: both Istanbul sharp and completely different colors - from pink to black. And also the most beautiful SAKURA is blooming!! And all this with a view of the Bosphorus. There is a cool waterfall and ponds where turtles live.
There is a cafe on the territory of the park, the most popular one is called "tulip".
The toilet is paid for. Either for the lira, or with the Istanbul card.
Driving from the central part of the city is not super close, but it's worth it.
Anyway, my big recommendation!
Read more in my profile.. and even more interesting places
It's a very pleasant park. Well maintained. Lots of flowering plants. Walking here is a pleasure. There is a Playground, benches. Clean and beautiful. I definitely advise you to visit here, during the cherry blossoms and tulips.