Hodenhagen is a municipality in the district of Heidekreis, in Lower Saxony, Germany. The town was once the site of Hudemühlen Castle, which is now completely destroyed. The castle was famous as the home of the kobold Hinzelmann. The site of another medieval castle, Hodenhagen Castle on the River Meiße, is also located nearby. Serengeti Park, an amusement park with a safari theme, is located within the municipality.