Ejea de los Caballeros raised a wall in the Crown that also supported the land

The Tajada and Carasoles streets bear the mark of a defense that worked in two directions. To the outside, the old wall of Ejea de los Caballeros protected the town; toward the ground, it fulfilled a terracing function. Municipal information on heritage expressly identifies both roles within the oldest preserved medieval enclosure, located in the Crown district. It was not only a boundary between those inside and those outside. It also shaped the form of the inhabited ground.

To understand that second task, you have to look at both the constructions and the change in level. The Crown occupies the upper part of a locality whose territory is predominantly flat, although dotted with gentle elevations. There, medieval architecture had to relate to a relief that had been forming for a long time before the first defenses appeared.

A plain that was not left completely smooth

The flatness of Ejea does not mean the absence of relief. The municipality’s geographical description places the origin of its configuration in a sinking of the territory that later received Miocene sediments, dating back approximately 22 million years. Among those materials are marls, clays, sandstones, and limestones. They form the substrate of a transformation far earlier than the town—not a necessarily “use of stones” relationship with its buildings.

Later came differential erosion: the unequal wear of the materials. You can imagine a surface made of pieces that do not resist rubbing in the same way; even if they all receive the same treatment, some lose thickness before others. At the landscape scale, that wear was shaping a territory dominated by flat surfaces, but not perfectly uniform ones.

Later, Quaternary sediments were added, related to the terrace system of the Arbas and the Riguel. River terraces can be understood as steps in the landscape linked to the activity of rivers. This combination of deposits and erosion helps explain Ejea’s territorial framework: an extensive depression, with gentle rises interrupting the plain.

The regional description does not by itself allow assigning a specific layer to each stretch of wall. It does, however, provide the context needed to understand why a population located in this flat territory could have an upper section and require works to accommodate its height differences.

The defense also shaped the land

A wall can do more than enclose a settlement. In Tajada and Carasoles, the municipal tourism service describes the old defense as a work of “terracing the natural ground.” The phrase has a specific consequence: the enclosure took part in organizing the change in level, in addition to carrying out its military mission.

To terrace is to arrange the ground into stepped surfaces, as happens on a hillside plot. The comparison helps visualize the function, although it does not turn the Crown into an agricultural landscape, nor does it assume that all its walls were built in the same way. What is documented here is that the medieval wall combined defense and terracing.

The land was not an indifferent support.

The geological relationship between the work and the site appears precisely in this dual function. An elevation provides a difference in height, but it also forces you to solve how its edge is to be occupied. In the Crown, the defense that was built and the configuration of the ground were linked: the wall both delimited the town and intervened in adapting it to the natural land.

If you walk through those streets, the interpretation of the old enclosure changes. Its interest is not limited to the layout that separated inside from outside. It also lies in recognizing a work that helped organize the occupied space vertically. The defensive dimension and the topographic dimension belonged to the same construction.

Santa María marks the meeting with the enclosure

A section of the old wall can be seen below the apse of Santa María. This detail, highlighted by municipal tourist information, places the relationship between building and enclosure at a specific point in the Crown. You do not need to reconstruct an imaginary fortification to find it: part of it remains associated with the church.

Consecrated in 1174, Santa María is the oldest church in Ejea de los Caballeros. It was built within and at the foot of the first walled enclosure and is described as a church-fortress. Its position makes it possible to read together the religious space and the defense, without attributing to its ashlar blocks a provenance that is not documented.

The upper area had known human activity long before. In front of the church, in the heart of the Crown district, archaeological remains have been identified; the town’s historical description includes indications of prehistoric settlement in these lands. This earlier presence extends the duration of settlement, but by itself it does not show what motives determined each site.

What remains identified, however, is the medieval link between the enclosure and the land. The church, the preserved stretch beneath its apse, and the streets of the old layout provide different references for recognizing a town built on a space with height and edges, not on an abstract surface.

The fragments that the later town was hiding

The wall also had a residential life. In the 15th century, María of Castile, wife of Alfonso V the Magnanimous, stayed for a time in an octagonal tower of the enclosure while the king was fighting in the Mediterranean. The news, collected by the municipal tourism service, shows that the fortification was not only a military line.

Over time, later constructions partially concealed some of its fragments. Municipal information points to the City Hall’s work to highlight these remains. Recovering its presence allows recognizing both the old defense and its less obvious function of terracing.

The Crown thus preserves a material relationship between relief and the medieval town. When you look at the stretch located under Santa María or follow the Tajada and Carasoles streets, the wall is no longer only a boundary of the past: it also indicates how Ejea supported and ordered a part of its inhabited land.