Pulkovo Heights (Russian: Пу́лковские высо́ты) is a chain of hills located to the south of Saint Petersburg. They run to the south-west in the direction of the Izhora Plateau and have an altitude of up to 73 meters. They were used as a natural defense line during the Russian Civil War and the Battle of Leningrad. It is the location of the Pulkovo Observatory and the industrial suburb of Shushary.