Cartagena is small enough to finish

Most cities are too big to walk completely. The walled city of Cartagena is not, and clearing every street inside those walls is a genuinely achievable weekend.

A walled city about a kilometre across

The Centro Historico of Cartagena is roughly a kilometre across and enclosed by stone. Inside it the plan is a tight colonial grid of narrow streets under wooden balconies, and the blocks are short. El Centro is the southern half, San Diego the northern, and the practical difference between them is mostly how many people are standing in the street.

The scale is the point. A city like Cairo or Sao Paulo is a lifetime project on foot. Here, if you walk methodically across two or three mornings, you can clear essentially every street inside the walls. Very few cities let you do that, and watching a walled outline fill in completely is a different satisfaction from watching a huge map creep.

Getsemani, Bocagrande and the rest

Immediately outside the walls, Getsemani is the same idea slightly looser: low colonial houses, painted walls, and Plaza de la Trinidad in the middle of it, with Calle del Arsenal running along the edge. It adds another compact block of streets and folds easily into the same walk.

Bocagrande is the opposite. A long narrow peninsula of high rise hotels and apartments on a straightforward grid, beach on one side and bay on the other. It fills in as a strip rather than a patch. Manga, across the bridges, is quiet and residential. Behind all of it sits the Cerro de la Popa, a hill of about a hundred and fifty metres with the monastery on top, and Castillo San Felipe de Barajas on the rise between the two.

Walk the walls

Las Murallas, the walls themselves, are walkable along the top for long stretches, particularly from the Baluarte de Santo Domingo around the seaward side toward the Torre del Reloj. Doing that circuit at sunset is the standard Cartagena evening, and it draws a clean outline around everything else you have already covered.

A good afternoon: enter at the Torre del Reloj, spiral through El Centro street by street rather than heading anywhere in particular, cross into San Diego, come out at Las Bovedas, and finish on the wall walking back south with the sea on your right. Four or five kilometres, and a very large share of the old town cleared in one go.

Heat sets the timetable

Cartagena is hot and humid every month of the year, sitting around thirty degrees with heavy humidity and very little seasonal relief. That does not stop the walking, it just sets the hours: early morning until about ten, then again from five until dark. The middle of the day is for being indoors.

The wetter stretch runs roughly August to November, usually as short heavy downpours rather than all-day rain. Streets flood briefly and then drain. Carry water, take the shaded side of the street, and expect the stone to hold heat well into the evening.

Finishing a city, and what that means in FOG

FOG will tell you what percentage of Cartagena you have lit up, and unlike almost anywhere else that number can climb into territory that feels like progress. The old town is small, the streets are dense, and nothing you clear ever fogs back over.

The app itself is the same everywhere: the whole world hidden until you walk it, no curated routes, no local guides, just the map and your own feet. No account, no cloud, no ads, no tracking. Free to explore, with one purchase of USD 5.99 unlocking unlimited ranks, every character and history import from Google Timeline exports or GPX files.

Questions people actually ask

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