Around this area there is a high - tension power line that crosses the valley from east to west ; it is followed by a series of service roads that provide access to the powerline and to the area .
Much of power line is in the prohibited area .
Around this area there is a high - tension power line that crosses the valley from east to west ; it is followed by a series of service roads that provide access to the powerline and to the area , although much of it is in the prohibited area .