The Metropolitan Park of Environmental and Educational Activities and Social Economy Development "Antonis Tritsis" is located in Ilion and borders the Municipality of Agioi Anargyroi-Kamatero. It is considered the largest park in Attica, with an area of approximately 1,200 acres. It is a natural paradise with greenery, six artificial lakes, and an artificial canal that connects them and ensures the continuous flow of water. On weekends, the average number of visitors is estimated at 15,000-16,000, and much higher during holidays.