The Super Pit is one of the biggest open cut mines in the world. It is a gold mine approximately 3.6 kilometres (2.2 MI) long, 1.6 kilometres (1.0 MI) wide and 512 metres (1,680 ft) deep. It was created by Alan Bond, who bought up a number of old mine leases in order to get the land area needed for the Super Pit. Every now and again the digging reveals an old shaft containing abandoned equipment and vehicles from the earlier mines.
The mine operates 24 hours a day, 7 days a week, and a visitor centre overlooks it. The mine blasts at 1:00 PM every day, unless winds would carry dust over the town. Each of the massive trucks carries 225 tonnes of rock and the round trip takes about 35 minutes, most of that time being the slow uphill haul. Employees must live in Kalgoorlie; it is not a fly-in fly-out operation. The mine is expected to be productive until about 2017. At that point, it is planned to abandon it and allow the ground water to seep in and fill it. It is estimated it will take about 50 years to fill completely full.
Very extreme but these obstacles are very dangerous to all bikers.
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