The Rock Garden of Chandigarh is a sculpture garden in Chandigarh, India, also known as Nek Chand's Rock Garden after its founder Nek Chand, a government official who started the garden secretly in his spare time in 1957. Today it is spread over an area of 40 acres (161874.25 m²). It is completely built of industrial and home waste and thrown-away items. It is near Sukhna Lake.