Otanmäki mine, Iron mine and cultural heritage site in Kajaani, Finland
Otanmäki mine is an iron ore extraction site in Kajaani with a sprawling industrial complex. The grounds contain tunnel systems, hoisting towers, and ventilation shafts typical of mining operations.
The mine supplied raw materials throughout the 20th century and employed workers for many decades. Operations ceased in 1985, ending a long industrial chapter for the region.
The site shaped the identity of surrounding communities for decades through employment and industrial activity. Local families built their lives around the rhythm of mining work that defined the region.
The site has good access via nearby railway connections. Visitors should expect industrial terrain and wear sturdy footwear when exploring the grounds.
The site holds substantial ore deposits underground with significant concentrations of different mineral types waiting in the earth. Recent plans for renewed extraction show the location retains economic interest despite decades since active operations ended.
Location: Kajaani
GPS coordinates: 64.11639,27.10111
Latest update: December 12, 2025 07:55
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