Long before railroads and canals, the wealth of Spain’s American empire crossed Panama on the backs of mules along a stone-paved trail known as the Camino Real, or “Royal Road.” Its Caribbean terminus, the port of Portobelo, hosted some of the richest trade fairs in the colonial world.
The Route Across the Isthmus
Spain needed to move enormous quantities of silver from Peru to the Caribbean for shipment to Europe. The metal arrived by sea at Panama City on the Pacific, then had to cross the isthmus. Two main routes developed. The Camino Real was an overland mule trail, while the Camino de Cruces combined a shorter land route with river transport down the Chagres River to the Caribbean. Together they formed the lifeline of empire.
Portobelo and Its Fairs
By the late 1500s, Portobelo had replaced the earlier port of Nombre de Dios as the main Caribbean terminal. When the Spanish treasure fleets arrived, Portobelo hosted famous trade fairs where silver was exchanged for European goods. For a few weeks the small town became one of the busiest marketplaces in the Americas, crowded with merchants, soldiers, and mountains of goods, before falling quiet again.
A Target for Attack
Such concentrated wealth attracted pirates and privateers. English raiders repeatedly threatened the route. Francis Drake attacked the region in the 16th century and died at sea near Portobelo in 1596. In the 17th century Henry Morgan raided Portobelo before crossing the isthmus to sack Panama City in 1671.
The Forts of Portobelo
To defend the treasure route, the Spanish built substantial fortifications at Portobelo and at the mouth of the Chagres River at San Lorenzo. Despite these defenses, the port was captured on more than one occasion, including a notable British assault in the 18th century. The stone forts, with their cannons facing the sea, still stand today.
Decline and Legacy
As Spain reformed its trade system and shifted routes in the 18th century, the fairs at Portobelo faded and the Camino Real declined. Yet the route left a lasting mark. The fortifications of Portobelo and San Lorenzo were inscribed as a UNESCO World Heritage Site in recognition of their history, and Portobelo remains a place of deep cultural significance, famous today for its Afro-colonial heritage and the revered figure of the Black Christ.
Read more in our guides to the Spanish colonial era in Panama and Panamá Viejo, the first city on the Pacific.
