Qingdaoshan Park rises behind the old German quarter and gives Qingdao one of its more useful short climbs. The hill was fortified during the colonial period, and the surviving gun emplacements and tunnels add a military-history edge to what would otherwise be a simple urban park.
The reward is the view: red roofs, church towers, modern high-rises, and the curve of the bay all sit below you. It works best as a pause while walking between the old town sights, especially if you want a clearer sense of Qingdao's layered German, Chinese, and naval history.