A Self-Guided Walking Tour of Cartagena’s Walled City

Why this city was built to be walked, not driven

Before you take a single step, it helps to know what you’re walking through. Cartagena de Indias was founded in 1533, and within decades it had become one of the wealthiest ports in the Spanish Empire the gateway through which Andean gold and Peruvian silver were shipped to Spain. That wealth made it an irresistible target. Sir Francis Drake sacked the city in 1586, extracting a ransom so large it effectively bankrupted the local treasury for a generation. The Spanish Crown’s response was to fortify the city so thoroughly that no attacker would try that again: construction of the walls began in earnest soon after and continued, in stages, for roughly two hundred years, using coral stone quarried from nearby Tierra Bomba and a labor force that included enslaved Africans and indigenous workers.

By the late 1700s, Cartagena was ringed by nearly thirteen kilometers of ramparts up to twelve meters thick in places, studded with bastions (baluartes) positioned to give defenders overlapping fields of cannon fire. It worked. A 1741 siege by a British fleet under Admiral Edward Vernon larger, reportedly, than the Spanish Armada broke against these walls and withdrew in defeat. Every plaza, gate, and vault on this walk exists because of that defensive logic, and once you know it, the city stops looking merely decorative and starts looking deliberate.

Starting point: Plaza de los Coches and the clock tower gate

Begin at the Torre del Reloj, the clock tower gate that has been the Walled City’s principal entrance since the 1600s (the clock itself was added later, in 1888, as a gift marking Colombia’s centennial celebrations). Pass through its stone archway and you step directly into Plaza de los Coches, a narrow, triangular square that takes its name from the horse-drawn carriages (coches) that once parked here in the nineteenth century. Its history runs darker than its charm suggests: this was Cartagena’s slave market during the colonial period, one of the largest in the Americas, a fact the city has only in recent decades begun to mark and reckon with openly.

Along one side of the plaza runs the Portal de los Dulces, a covered colonial arcade lined with vendors selling cocadas (coconut sweets) and other traditional confections a good five-minute pause before you press on. Look up here: the balconies above the arcade, with their dark wood and wrought iron, are your first proper look at the Walled City’s signature architecture.

Plaza de la Aduana: the administrative heart

A short walk from Plaza de los Coches brings you to Plaza de la Aduana, the largest and oldest square inside the walls, and historically the seat of Spanish colonial administration. The building that gives the plaza its name the old Aduana, or customs house now serves as Cartagena’s city hall, and a statue of Christopher Columbus stands at its center, installed in 1894. This was the plaza where trade was taxed, permits were issued, and the business of running a colony was conducted; today it’s simply a wide, sun-bleached square that makes a pleasant orientation point, with several of the city’s better shops and cafés opening onto it.

Take a moment here to notice the two-story colonial houses ringing the plaza deep eaves, shuttered windows, and the characteristic overhanging balconies (balcones) that define residential architecture throughout the Walled City. These balconies weren’t purely decorative: they extended usable living space into the street while keeping direct sun off the lower floors, a genuinely clever piece of tropical design four hundred years before “passive cooling” became a term anyone used.

Plaza de Bolívar and the Cathedral

Continue on to Plaza de Bolívar, a shaded, tree-lined square formerly known as Plaza de la Inquisición anchored by an equestrian statue of Simón Bolívar. This is arguably the most atmospheric stop on the route: iguanas sun themselves in the branches overhead, horse-drawn carriages idle at the curb, and the Palacio de la Inquisición, an imposing Baroque building with an ornate stone doorway, sits at one corner. The Palace once housed the tribunal of the Spanish Inquisition for the region and today operates as a museum documenting that history alongside the city’s broader colonial past well worth pairing with the rest of Cartagena’s museums if you want to go deeper than a walking tour allows.

Facing the plaza is the Catedral de Santa Catalina de Alejandría, Cartagena’s cathedral, whose construction began in 1577 and was interrupted mid-build when Francis Drake’s cannon fire damaged the structure during his 1586 raid a detail visible today in the mismatched stonework partway up its walls, where repairs picked up with materials and techniques that had moved on since the original design. Step inside for the cool, dim interior and the gilded altar; step back outside and look up at the bell tower, added centuries after the nave, for a good sense of how long “finished” can take in a city under siege.

Las Bóvedas and the walk along the ramparts

From Plaza de Bolívar, head toward the northeastern corner of the Walled City and the Baluarte de Santo Domingo, one of the best-preserved bastions in the fortification system and the starting point for a walk directly atop the city walls. This is where the defensive logic of the whole city becomes physical: you’re walking a rampart wide enough for cannon crews to maneuver, built to withstand naval bombardment, with the Caribbean on one side and terracotta rooftops on the other.

Follow the wall to Las Bóvedas, a row of twenty-three vaulted chambers built into the ramparts between 1789 and 1798 among the last major additions to the fortification system before Colombian independence. Originally constructed as munitions storage and later used as military dungeons, the vaults now house a row of artisan shops selling hammocks, textiles, and souvenirs, a soft-edged afterlife for a structure that was purpose-built for war. It’s a strange, worthwhile juxtaposition: colorful crafts stacked inside eighteenth-century gunpowder stores.

Calle de la Amargura and Plaza Santo Domingo

Descend from the walls and make your way toward Calle de la Amargura the “Street of Bitterness” so named, according to local tradition, because prisoners were once marched along it toward the Inquisition tribunal. By day it’s a quiet, narrow colonial street; by evening it becomes one of the livelier corners of the Walled City, lined with bars and open-air seating where the city’s night unspools slowly over rum and conversation.

The street opens onto Plaza Santo Domingo, the oldest square inside the walls and home to the Iglesia de Santo Domingo, Cartagena’s oldest church, completed around 1539. Legend attributes the bell tower’s visible lean to structural settling during construction rather than any engineering failure either way, it’s stood at an angle for roughly five centuries and shows no signs of correcting course. In the plaza itself, look for Fernando Botero’s bronze sculpture of a reclining nude figure, popularly known as “Gertrudis” one of several Botero works scattered through Cartagena’s public spaces, and a favorite photo stop for exactly the reason you’d expect.

Architectural details worth slowing down for

The landmarks anchor the route, but the texture of the Walled City lives in details easy to walk past without noticing. Look at the doors: heavy wooden doors, many original or faithfully restored, studded with brass knockers cast in shapes lizards, lions, mermaids, hands that once signaled the profession or social standing of the household behind them. Look at the colors: the deliberately saturated façades in ochre, cobalt, coral, and turquoise weren’t a modern tourism-board decision but a colonial-era practice, using pigments available locally, that the city has maintained and, if anything, intensified for the era of Instagram. And look at the bougainvillea, trained up walls and over balconies in magenta and orange cascades it thrives in this climate with almost no maintenance, which is part of why it appears in nearly every postcard shot of the city without anyone having to try very hard.

Take the time, too, to notice what’s above eye level. Cartagena’s balconies vary meaningfully in style and era some Andalusian in influence with dark wood latticework, others more Republican-era with wrought iron rails and reading that variation as you walk is a quiet, free education in the city’s architectural layers.

Timing, pacing, and starting the tour from your own front door

Do this walk early ideally before 9 a.m. when the light is soft, the plazas are quieter, and the tropical heat hasn’t yet built to its afternoon intensity. Budget two to three hours at an unhurried pace, more if you plan to duck into the museums along the way or linger over a coffee in Plaza de la Aduana. The whole route covers only a few kilometers, but cobblestones and shade breaks add time that a straight-line map won’t account for.

The genuine advantage of basing yourself inside the walls, rather than commuting in from a beachfront hotel, is that this entire tour starts the moment you step outside. Guests waking up inside the Walled City at Amarla are typically within a ten-minute walk of every stop on this route, which means the “tour” isn’t a scheduled excursion you drive to it’s simply what the neighborhood looks like on the way to breakfast. Come back mid-afternoon to rest through the heat, then head back out as the light turns gold and the plazas fill again for the evening.

Stay where the walking tour begins

Amarla sits inside the Walled City itself, steps from Plaza de los Coches and the route above. Wake up already inside the story, and let the rest of Cartagena wait just outside your door.