Onkalo spent nuclear fuel repository, Deep geological repository in Finland
Onkalo is a facility designed for the long-term storage of spent nuclear fuel.
The construction of Onkalo began in 2004 and is expected to continue until the 2120s.
Onkalo was featured in the documentary 'Into Eternity' exploring the ethical aspects of nuclear waste storage.
The repository is built to withstand ice ages, earthquakes, and human interference.
Onkalo means 'cavity' or 'pit' in Finnish, representing its deep underground tunnels.
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Location
GPS coordinates
61.23667,21.44222
Latest update
August 31, 2026 11:20
