Fortaleza de San Carlos de la Cabaña (Fort of San Carlos of the Cabin), Havana

The Fort of San Carlos of the Cabin (Fortaleza de San Carlos de la Cabaña), colloquially known as La Cabaña, stands as a monumental testament to 18th-century military architecture in Havana. This fortress complex noted as the third-largest in the Americas, is strategically positioned on the elevated eastern side of the harbor entrance in Havana, rising majestically above a 200-foot (60-meter) hilltop, near Morro Castle.

La Cabaña fortress, commissioned by King Charles III of Spain after Havana's return to Spanish control in 1762, was built to fortify the city and showcase Spanish power. Its immense scale and cost were famously highlighted when King Charles III joked about needing a spyglass from Madrid to see its grandeur.

Spanning over 700 meters in length, La Cabaña is an imposing structure that commands attention. Its construction marked a pivotal moment in Havana's military history, reflecting the strategic importance of the city in the Caribbean and the lengths to which the Spanish crown would go to protect its interests.

Today, La Cabaña, along with El Morro castle, is part of a historical park that serves as a bridge to Cuba's colonial past. The fortress complex houses several museums that are open to the public, offering insights into the historical, cultural, and military heritage of Havana. Additionally, it continues to be a site of historical significance and cultural celebration, most notably through the nightly tradition of "El Cañonazo de las 9." The 9 pm cannon firing ceremony is a colonial tradition, marking the closing of Havana's city wall doors. It honors the history and legacy of the Fort of San Carlos of the Cabin.

Tip:
Especially if there are multiple cruise ships in town, arrive no later than 8:15-8:30 pm for the 9 o'clock cannon ceremony.
You'll have approx. a 10-minute walk to the top of the fort, and then you'll have to decide which spot you think provides the best viewing options.
As you choose your viewing location, keep in mind that, yes, it's a cannon, and yes, the closer you get the louder it is.
If you enter around 5 pm it is cheaper and you can visit the museum part as well, then stay through to the ceremony.