The Alcazaba - Citadel, Fortress and Origin of the Alhambra


Enjoy a special day at the Alhambra with a guided tour


The magnificent monumental complex that exists today was built by Muhammad I, nicknamed Ibn al-Ahmar, the founder of the Nasrid dynasty, who chose the Sabika hill as the official residence of the new kingdom of Granada. His son, Muhammad II, expanded upon his work.

Today you enter the Alcazaba through a door that you will find upon crossing the Plaza de los Aljibes.
Construction of the Alcazaba
In the middle of the 9th century, there were already mentions of it in the writings of Ibn al-Khatib.
The Alcazaba of the Alhambra stands as one of the best-preserved citadels in Spain.
Al-Ahmar surrounded it with defensive walls and towers, turning it into the imposing fortress that we contemplate today.
During this time, emblematic towers were erected such as tower Quebrada, tower Homenaje and the impressive Torre de la Vela. Vela means "Candle" tower. This tower is also known as Watch Tower or Bell Tower.

Despite the numerous reforms it has undergone later, the Alcazaba preserves its original structure, although it may be difficult to distinguish them.
Once the Nasrid Palaces were finished, the Alcazaba was limited simply to its military function. The seat of government and the royal family were moved to the new palaces.
Renovations of the Alcazaba

Significant repairs were also undertaken on areas that had deteriorated.
Part of the northern wall was covered with masonry. In 1537, the walkways were fortified. In 1565, the front wall along the Plaza de los Aljibes was reconstructed.

In 1590, several towers were repaired, including Vela, which had been damaged after the explosion of a powder magazine near the Carrera del Darro.
Uses of the Alcazaba
The Alcazaba of Alhambra was built to serve as the residence of the royal family and as a defensive fortress.
After the conquest of Granada by the Catholic Monarchs, the Alcazaba became subject to military authorities and served as a state prison. It also functioned as a prison during the French invasion.
Unfortunately, the interest that Alhambra aroused from the 19th century onwards did not extend to the Alcazaba, which remained forgotten until well into the 20th century. It was in the middle of the 20th century when it began to be managed by cultural institutions rather than military ones.
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The Garden of the Adarves

The Garden of the Adarves is walkway, a narrow path or corridor situated above the wall, enabling sentinels to patrol or move around the fortress. It has a rectangular shape and measures approximately 50m x 8m.
The idea of creating a private garden here originated from Íñigo López de Mendoza, Count of Tendilla and Marquis of Mondéjar, who was appointed warden of the the Alhambra in 1634.

This trend was spreading throughout Europe in the 17th century, transforming old walls into public parks. The Renaissance pillars that adorn it date back to the same period.
Various types of flowers perfume the garden. Additionally, there are palm trees, a beautiful magnolia tree, and a lush vine that covers the wall. A large part of the path is covered by an iron pergola adorned with a beautiful wisteria.
Interesting Fact:
The marble fountain that now stands in the center of these gardens was originally placed on the Lions Fountain in 1624 to
enhance the height and grandeur of the water's fall. The
Lions Fountain was restored to its original state, and
this fountain relocated here in 1966.
The Garden of the Adarves Viewpoints

The great painter Mariano Fortuny spent many days painting here, like many other artists of the time.
His painting, titled El Jardín de los Poetas, which is sadly missing but remains as a photograph in the Prado Museum in Madrid, attests to this.

Right here begins the wall that extends to Bermejas Towers. In 1957, the famous verses of the Mexican poet Francisco de Icaza dedicated to Granada were placed here, and they have since traveled the entire world.
"...there is nothing sadder in life than being blind in Granada".
The Towers of the Alcazaba
Once inside the Alcazaba, we find ourselves in an almost triangular esplanade surrounded by the wall, within which numerous towers rise.
To the north, stands the Torre de las Armas (Tower of Arms) and Puerta de Armas (Gate of Arms) or Bib Sila, which was connected to the city by the Cadí Bridge.

To the south, there were three others, of which only one remains, extensively renovated, in the Garden of the Adarves.
To the west, we can see the Torre de la Vela (Watch Tower or the Candle Tower), the Torre de los Hidalgos (Tower of the Nobles) and the Torre de la Pólvora (Powder Tower).
To the east the Torre del Adarguero (Tower of Shieldmakers), Torre Quebrada (Broken Tower), and Torre del Homenaje (Tower of Tribute).
The Tower of Homenaje (Tower of Tribute)

Inside, we find a basement used for dungeons or silos, and five floors covered with groin or bay vaults.
The upper floors were used for housing. It is believed that the first emir of Granada, al-Ahmar, lived there, specifically on the top floor. At some point, the warden of the Alcazaba also resided there with his family.

The Torre del Homenaje, along with the Torre de la Vela, are the two largest ancient towers in the the Alhambra.
Torre de la Vela (Watch Tower)
The main tower of the Alcazaba and probably of the Alhambra, with the exception of the Torre de Comares, is the Torre de la Vela.
The Torre de la Vela measures 26.80 meters in height, a little more than the Torre del Homenaje, and its base is solid.
Inside, we find four floors with galleries covered by various types of vaults, as well as a basement with a dungeon.
Today, access to the tower is at the level of the second floor, and the staircase used corresponds to some remodeling works that were done to convert the tower into a home.
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Interesting Fact: As you ascend, the floors become smaller, and the walls thicker.
This was a technique of Nasrid architecture to make the towers lighter.
On the third floor, there was a house that occupied the entire floor, known as "la velera". The person in charge of ringing the tower's bell and their family lived there.

From the top, you will contemplate one of the best panoramic views of Granada: all of Granada at your feet and La Vega (Valley), Sierra Nevada, the Darro River Valley, the Albaicín, the Sacromonte and even some nearby towns.
Battlements adorned the Torre de la Vela until they disappeared in the 16th century.

The ringing of the bell of the Torre de la Vela has marked the rhythm of Granada for centuries.
It served to regulate the irrigation of the Vega de Granada (valley) like a night clock. It was also the alarm that warned the people of Granada of danger.
Currently, the bell of the Torre de la Vela rings on some special dates, such as January 2 when the Catholic Monarchs took of Granada.
Traditions of Granada:
A peculiar tradition in Granada prompts people to queue up for the opportunity to ring the bell of the Torre de la Vela every January 2nd.
Historically, it was believed that ringing the bell on this day would lead to marriage before the year's end.
There is no better way to explore the Alhambra than with a tour guide
Alhambra Guided Tour: a top-rated guided tour led by a knowledgeable local historian will definitely add a special touch to your visit. Includes access to all areas.
Alhambra + Albaicín + Sacromonte Tour: or, for just a little bit more, uncover the wonders of the Alhambra, alongside 2 picturesque neighborhoods of Granada.
The Plaza de Armas or the Arms Square

In the Plaza de Armas we find the foundations of several Arab houses, where the civilian population of the Alcazaba lived.
In fact, remains of an armory workshop and a bakery with a double low-fire oven have been found.
This area is known as the military neighborhood and has the typical structure of any Hispanic-Muslim population. Here, the elite guard lived, monitoring and controlling the palatine city of the Alhambra.

There was also a bath or hammam, a well, and several dungeons and silos.
These underground dungeons were the safest in the Alcazaba. The chambers were dug underground, and prisoners climbed up and down using a rope through the only opening available.
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Page Updated: Mar 23, 2025

Opinions about Alcazaba of the Alhambra
Worth the effort to climb the stairs

The military section of the Alhambra includes its walls and towers, offers breathtaking views of the Albaicin and Granada.
Perhaps it's better to start your visit at Mirador de San Nicolas to get a view of the Torre de la Vela or Watch Tower before exploring the Alhambra.
I think it's the tallest tower; or at least, it seems that way. You'll need to climb 68 stairs to reach the top of the watchtower, but it's worth it.
