I know at least two in Berlin that are pretty high even for adults. One is at John-Foster-Dulless-Allee in the Tiergarten the other next to Fritz-Schloß-Park in

I know at least two in Berlin that are pretty high even for adults. One is at John-Foster-Dulless-Allee in the Tiergarten the other next to Fritz-Schloß-Park in Moabit.