Kohtla-Nõmme is a borough in Toila Parish, in Ida-Viru County, in northeastern Estonia. It had a population of 1,047 (as of 1 January 2009) and an area of 4.64 km². In the 1930s, New Consolidated Gold Fields opened a shale oil extraction complex at Kohtla-Nõmme. In 1937, the company opened the Kohtla underground mine. After the occupation of Estonia by the Soviet Union, the company was nationalized in 1940. The Kohtla-Nõmme shale oil extraction complex continued to operate until 1961. The underground mine stayed operational until 2001. After that the Estonian Mining Museum was opened at the site.