San Nicolás del Puerto is a small town but with an enormous and long history. The first civilisations (it is thought that there were Celtic settlements) gave way to the expanding Roman Empire. There are some major Roman remains here, the most important of which is the Stone Bridge over the river Galindón, although its present appearance is the result of medieval alterations. Centuries later, in the Moorish period, the town became particularly important, especially with the operation of its famous silver mines.
Its layout around the Rivera del Huéznar has had an essential influence on its development. Today it has the only river beach in the province of Seville, an aspect which, together with other infrastructures (such as the recreational areas of El Nacimiento del Huéznar (Source of the Hueznar) and Martinete), fills this town with life in the spring and summer months.
On the outskirts of the town, on a hill, stands the chapel of San Diego. Built in the 15th century, it is a popular Mudejar style building with a wooden roof. Inside there is an image of San Diego, a 20th century work by Castillo Lastrucci. It can be reached by taking the road that is a continuation of Calle Calvario.
The stage begins at the source of the River Huéznar, to continue towards two of the most important tourist resources in the region, the Sierra Norte de Sevilla Greenway, which you follow for a few kilometres, and the Cerro del Hierro Natural Monument, which you go round the back of and which you can visit if you wish.
The Greenway is a railway branch line that linked the Seville - Zafra line with the Cerro del Hierro mines and along which the extracted ore was transported. In recent years it has been adapted for recreational and tourist purposes. The presence of iron was the origin of the mining of this hill, which lasted from Roman times until the last century and created a unique landscape in terms of shapes and colours, where spectacular karst scenery is formed by needles, corridors and limestone pavement.
Having passed the Cerro del Hierro, you leave the Camino de Mojón Blanco and turn left onto the Camino Real del Robledo a Sevilla, which you will follow for a short distance. You begin a long and sometimes steep descent through typical Mediterranean landscapes of thicket, scrubland and steep dehesas around the Los Chorreros stream. You head towards the Rivera de Ciudadeja, along whose course you descend a few hundred metres (with caution) to find yourself in an idyllic spot beside the chapel of Belén. After admiring the scenery, you climb up the path to the chapel and then descend again to the last few metres of the path into the town of Las Navas de la Concepción. In this small but beautiful town you can enjoy a well-deserved rest after completing the first demanding stage of the route.