They can also be very picturesque with moderate flows when the water at the top falls cascades in lacy sheets of brilliant white .
The Upper and Lower Falls are at their most spectacular after heavy rain when the local topsoil can be seen washing away to the sea .
Upper can also be very picturesque with moderate flows when the water at the top falls cascades in lacy sheets of brilliant white .
The Upper and Lower Falls are at their most spectacular after heavy rain when the local topsoil can be seen washing away to the sea .