Q. Onkalo spent nuclear fuel repository is located in which country?
Answer: Finland
Notes: Onkalo spent nuclear fuel repository is a nuclear waste disposal facility under construction in Olkiluoto, a province in Finland. This facility will be the world's first permanent geological repository for spent nuclear fuel and high-level radioactive waste. It is an underground nuclear waste storage facility. It is located near to Finland's Olkiluoto Nuclear Power Plant.