In addition there were three bridges over the Wye , and a tunnel at Symonds Yat and another at Lydbrook .
The topography , in particular the valley of the River Wye , meant that there were considerable earthworks necessary to make the line .
In addition there were three bridges over the River Wye , and a tunnel at Symonds Yat and another at Lydbrook .
The topography , in particular the valley of the River Wye , meant that there were considerable earthworks necessary to make the line .