Lihir Gold Mine is situated in a dormant volcanic caldera on a small island off PNG. Not extinct' but dormant. Current ground temperatures are up to 150 degrees Celsius with active geysers in the workings of the mine, pools of boiling ground water adjacent to low-grade dumps and hydrogen sulphide gas emissions. It is a unique mining environment by world standards. This paper will deal with the following issues encountered and managed by the operation:blasting in hot and reactive ground;management of sulphide gas emissions;disposal at sea of all mining waste rock;one dear to all Australian miner's hearts - dealing with landowner groups; andunusual human resource issues.