Another park highlight in Mainz is Hartenbergpark. Its spacious grounds with sunbathing lawns, numerous play facilities (water playground, mini golf course, playground), and barbecue areas make it a popular destination for families.

Walkers can find peace and quiet on beautiful forest paths. A viewing platform offers views over the northwest of Mainz. The Hartenberg is located near the Südwestrundfunk broadcasting center "Am Judensand."