Sihayo Gold Limited engages in the exploration and development of mineral resources primarily in Indonesia. The company explores for gold and silver deposits. Its flagship projects include the Sihayo Pungkut project located in Mandailing Natal, North Sumatra; and the Hutabargot Julu project situated at the southern end of the Sihayo Gold Belt. The company was formerly known as Oropa Limited and changed its name to Sihayo Gold Limited in December 2009. Sihayo Gold Limited was incorporated in 1987 and is based in Brighton, Australia.