mailto:?subject=Content from Tourism of Galicia: RÍO TOXA&body=I recommend you read the information RÍO TOXA extracted from the Tourism of Galicia site on page https://www.turismo.gal/recurso/-/detalle/190516000283/rio-toxa?langId=en_US%26tp=40003930%26ctre=40000140
The River Toxa is one of the rivers that the route crosses that day. It has one of the highest waterfalls in Galicia. The reason behind the waterfall is the granite rock of the terrain. Its exceptional hardness, due to the amount of quartz it contains, prevents the water from eroding it.