Chitgar Lake (Persian: دریاچه چیتگر Daryâče-ye Čitgar) is an artificial and recreational lake located to the north of Chitgar Park in northwestern Tehran, Iran.Officially known as the Lake of the Martyrs of the Persian Gulf (Persian: دریاچه شهدای خلیجفارس), the complex has a total area of around 250 hectares; 130 hectares across the lake and 120 hectares on its coastal zone and resorts.