| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Mynd | 0.00 km | 0.0° | Line 12.00 km (Radius 6.00 km), Max.alt. is 1.83 km |
| Llanidloes | 45.34 km | 260.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km, Max.alt. is 1.83 km |
| Halfway House | 47.07 km | 55.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km, Max.alt. is 1.83 km |
| Bishops Castle | 22.76 km | 184.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km, Max.alt. is 1.83 km |
| Mynd | 8.40 km | 66.4° | Line 12.00 km (Radius 6.00 km), Max.alt. is 1.83 km |
| Total: | 123.57 km | ||