 The Sinimäed hills are gently sloping mounds rather than mountains.Nevertheless, the hills are a dominant landform in the area - the height of the surrounding limestone plateau is on average 30 m above sea level, while the hills are up to 50 m higher.Pargimägi and Põrguaugu mägi are the two higher hills - 85 and 83 m, respectively, while Tornimägi is somewhat lower, 70 m. The ridge is about 3 km long.