Not sure what this is. There are what looks like very large water pipes leading up to the NW to the top of the mountain. There are also two very large air vents / saftey valves / holes up at the top.
Is this a geo thermal power plant? This are is very volcanicly active.
Power - Misc, Info Requested
By: kjfitz
A duplicate of it has been submitted under Buildings > Power-Misc