There are opportunities for practicing a variety of sports.
For tourists there is a lot of free space and various interesting objects. For example, swings, viewing platforms and unusual stones.
There are also lakes
The newest attraction in the park is Haldenzeichen. This is something like a viewing platform with a strange symbols. It is part of a larger project Halde 5, which provide five viewing platforms on five heaps. Perhaps when you read this article, they are already installed.
Getting there: free parking N 51 40.045 E 7 44.823. Take the bus to Mozartstraße or Isenbecker Hof, Hamm (Westf), use bahn.de.