Length: 5 km
Duration : Depending on vehicle number and driver experience it can take 2 vehicles 1 - 2 hours to get through, add time for more vehicles.
4x4 vehicle with good ground clearance and Low range with diff lock rear and front
or traction control that is suited for extrme offroading.
2 or more vehicles as there is no mobile signal
Recovery gear is therefore adviseable
On F trail lots of ground clearance is needed and an experienced driver with an experienced person to guide you through the obstacles.
The video of my first drive up will give some idea of the level of dificulty.