Afternoon in the Barrio Histórico
Colónia del Sacramento is reached by mid-afternoon, entering the city along Avenida Franklin Delano Roosevelt before the route narrows into the old quarter along Avenida General Flores. The Barrio Histórico occupies a small peninsula jutting into the Río de la Plata on three sides, and it is one of the stranger colonial cities in South America: founded by the Portuguese in 1680 as a strategic counterpoint to the Spanish settlement of Buenos Aires directly across the water, it spent the better part of two centuries changing hands repeatedly — sieged, razed, rebuilt, occupied, and formally ceded by Portugal to Spain in the 1777 Treaty of San Ildefonso. But even that wasn't the end of it. In the chaos of the Napoleonic era, Portugal quietly reoccupied the city, and in 1816 it was absorbed into Brazil as part of the Cisplatina province. It only finally passed out of Iberian hands when Uruguay declared independence in 1825 and the border was settled three years later. Nearly 150 years from founding to final handover — and the layered result is legible in every street. Unlike the rigidly gridded Spanish colonial towns planned according to the Leyes de Indias, Colónia del Sacramento developed its street plan organically, shaped by the peninsula's topography and by successive waves of construction and destruction. The result is a UNESCO World Heritage Site that genuinely looks like no other colonial city.
The route into the barrio arrives at the Portón de Campo — the Field Gate — just before 1:00 pm. Built by the Portuguese in 1745, this stone gate and wooden drawbridge was once the only land entrance to the fortified city; the chains from its drawbridge mechanism still hang on either side, and a row of old cannons line the wall above. From here, the barrio opens into a network of narrow cobbled streets and low-slung single-storey houses, their facades a mix of Portuguese stonework, Spanish plastered arches, and layers of paint applied over three centuries.