We start from the entrance to the A477 road coming from Gerena until we reach a crossroads with traffic lights. Then, we have to turn right onto the Avenida de Andalucía, continue to a roundabout for about 200 metres, where we turn left to leave towards El Castillo de las Guardas on the SE4401. Two kilometres from the start, we will come to a crossroads indicating that for the Castillo de las Guardas we must turn right, at which point we will cross the River Agrio. After 16.5 kilometres we arrive at Castillo de las Guardas.
Narrow asphalt road, with a traffic volume of less than 500 vehicles per day.