It straddles a diverted stream visible through a series of indoor viewing platforms which make a unique feature.

At that end a small drainage tunnel had to be built to divert a stream that had flowed down a steep gully where the tunnel mouth was to be.

There are also the remains of a number of leats, artificial channels to divert streams to the thirsty mine.

The fire was finally contained and extinguished five days later by diverting streams into all openings and then filling them with gravel, clay and debris.

It was created in 1890 by diverting a stream over the edge of a cliff.