Children's Island (Dětský ostrov)A fenced riverside playground on its own little island in Smíchov, shaded by trees, with play areas for all ages plus football and basketball courts. Toilets are by the tennis courts at the far end.
Free
Dětské hřiště VozovnaA clean, well-loved playground in Stromovka park, best for younger children, with a café and bistro right beside it so parents can sit with a drink. Tucked away but easy to find.
Free
Folimanka PlaygroundA big recreation area below the Nusle Bridge with zones for sport, skateboarding, young children and water play, plus food, toilets, shade and a dog area. Plenty to fill an afternoon.
Free
Hřiště Ze starých pověstí českých (Vyšehrad)A lovely themed wooden playground at Vyšehrad, ringed by big trees that give shade on hot days, with a zip line and swings. Best for ages 3 to 8 and a perfect recharge after walking the fortress walls. Free to enter.
Free
Kampa Park PlaygroundA small riverside playground on Kampa island with slides, swings and a sandbox, plus lovely views of Charles Bridge and the Vltava. A handy spot to break up an Old Town day and rest tired feet.