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La Fortaleza and San Juan National Historic Site in Puerto Rico

By Dhara

What is La Fortaleza and San Juan National Historic Site?

This UNESCO site is made up of several fortifications in the historic district of San Juan, the Puerto Rican capital. Exploring these sites is one of the most popular things to do in Old San Juan.

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The main fortifications include La Fortaleza, currently the Governor’s residence, along with Castillo San Felipe del Morro, Castillo San Cristóbal, San Juan de la Cruz (El Cañuelo), and a part of the original San Juan city wall.

Built between the 16th and the 20th centuries, the sites are fine examples of military architecture as it existed in those times.

Atop Castillo San Cristobal: thick walls on either side, covered with lichen, and a flat, stone-paved space between the walls.
Castillo San Cristobal

Why is La Fortaleza and San Juan National Historic Site a UNESCO World Heritage site?

The forts and other defensive structures in Old San Juan are “characteristic examples of the historic methods of construction used in military architecture over this period, which adapted European designs and techniques to the special conditions of the Caribbean port cities,” per the official UNESCO designation.

The sites show how military architectural techniques were adapted to the unique needs of San Juan, one of the most coveted cities in the New World, as the residents faced new threats from land and sea.

A cannon points at an opening in the wall toward the sea. The walls are thick and covered with lichen.
Castillo San Felipe del Morro

What can you expect on a visit to La Fortaleza and San Juan National Historic Site?

El Morro and Castillo San Cristobal are well-preserved forts with a lot to see. Both forts are built over multiple levels, and you can tour the main courtyards, the soldiers’ quarters, terraces with cannon balls, and garitas (sentry boxes).

The views from the sentry boxes and terraces of San Juan Bay and Old San Juan are outstanding. The grounds of El Morro are expansive, and you may see locals flying kites here on weekends.

La Fortaleza is a working government building, and you can only tour the interior on a guided tour. Tours include the beautiful gardens and some of the rooms inside if the schedule for the day allows visitors.

San Juan’s city wall can be seen as you walk the periphery of the walled city. If you walk out of the city gate in Old San Juan, you can see the formidable wall from the outside as it wraps around the city.

A view out to sea from El Morrow fort shows the thickness of the defensive wall.
View from El Morro

Is the San Juan National Historic Site worth visiting?

Absolutely! Visiting El Morro and Castillo San Cristobal is a must-do in Old San Juan, for their fascinating history and stunning views. Informational plaques and boards offer a lot of information that’s worth reading as you explore.

What sorts of travelers would like the San Juan National Historic Site?

Most visitors to Old San Juan have the National Historic Site at the top of their itinerary for the historic district.

History buffs, and in particular, visitors who study military history, will of course find these sites very interesting. Photographers will love the views from the terraces.

Even casual sightseers will enjoy strolling the various levels of the forts to take in the views and learn about life inside the forts when they were active.

Tips for visiting San Juan National Historic Site

Allow enough time to tour both El Morro and Castillo San Cristobal, about an hour for each fort. Since the ticket permits entry to both forts, you’ll want to make sure you visit both sites!

It can be cool and breezy on the terraces of the forts, so bring a windcheater, especially if you visit in the cooler months of the year.

El Morro and Castillo San Cristobal are popular attractions in Old San Juan. For the best experience, visit early or late in the day.

Walk Paseo de la Princesa, which runs alongside a well-preserved section of the city wall. The walk is very pleasant; plus you’ll see the famous Raices sculpture and fountain.

Click on the map below to find and book your accommodations in San Juan:

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Where is the San Juan National Historic Site?

The sites that make up the San Juan National Historic Site are spread over Old San Juan, the historic district.

El Morro and Castillo San Cristobal are located at 501 Calle Norzagaray, and La Fortaleza is located at 63 Calle de la Fortaleza, all in San Juan, Puerto Rico.

You can walk to all of the sites, once you arrive in Old San Juan.

For more information about the San Juan National Historic Site, its opening hours and admission fees, see its official website.

Text and photos provided by Dhara from It’s Not About the Miles, a travel blog where Dhara writes about naturally beautiful or culturally significant destinations in North America and Europe. 

Have you been to La Fortaleza and/or San Juan National Historic Site? If so, do you have any additional information or advice about this UNESCO World Heritage site? Please add your comments below!

Text: La Fortaleza and San Juan National Historic Site in Puerto Rico. Images: a view on the top of a fortification, walls on both sides; below, a view over a fortification wall out to sea.

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