Address
Bernauer Straße, 47, 10437, Berlin, Deutschland
All over the area, except for the little birch grove and next to the playground
"Juicy green" is definitely not the Mauerpark, additionally the park is quite littered.
Some cafés on nearby Oderberger Straße, for example Bonanza Coffee Heroes where you can get Berlin's best coffee!
Students, families from Prenzlauer Berg, hipster and the occassional punk
Basketball court, playground, grafitti wall, on weekends there is a fleamarket and many musicians performing life and free, the Friedrich-Ludwig-Han Stadium is right next to Mauerpark
Difficult
The beach bar Schönwetter* is nearby.