The Medici Walls of Grosseto are one of the city’s most recognizable landmarks and one of the most fascinating examples of Renaissance military architecture in Tuscany. With their distinctive hexagonal shape, they surround the historic center and preserve centuries of history, including ancient gates, bastions, fortifications, and gardens.
Today, where soldiers and cannons once stood, you can stroll in the shade of the trees, wander through green spaces, and discover unusual views of the city. It’s a place beloved by the people of Grosseto and ideal for first-time visitors to the city as well.
If you’re staying at theHotel Granduca, a stroll along the city walls is a great opportunity to get to know the city’s historic side and discover one of its most distinctive landmarks.
The History of the City Walls: From Military Fortress to Public Garden
The origins of Grosseto’s fortifications date back to the Middle Ages, when the city was protected by a walled enclosure that was modified several times over the centuries.
The walls’ current appearance is largely due to the Medici family, who in the 16th century decided to transform Grosseto into a strategic stronghold for controlling the Maremma.
The project was entrusted to the military architect Baldassarre Lanci, and the work—which began in 1565 and continued over the following decades—was completed in 1593.
The new defensive wall was hexagonal in shape, with corner bastions designed to withstand firearms and allow for control of the various sides of the fortifications. But the history of the walls does not end with the Renaissance.
In the 19th century, during the rule of the House of Lorraine, the fortifications gradually lost their military function. The ramparts and walkways were transformed into gardens and public promenades, creating what remains to this day one of Grosseto’s most distinctive green spaces.
Did you know? The walls were originally surrounded by a moat filled with water, connected to the area’s canal system. It wasn’t just for defense: during the construction of the fortifications, the canals were also used to transport the materials needed for the work.
A Walk Along the Medici Walls: What to See
The route along the walls follows the perimeter of the historic center and offers a chance to see Grosseto from a different perspective, amid trees, ancient defensive structures, and views of the city.
The city walls measure a total of about 3 kilometers and include six large bastions. For a leisurely stroll, with a few stops to take in the most interesting sights, allow about an hour—or more time if you’d like to explore in greater depth. Most of the route along the ramparts is accessible, but it does not form a completely continuous pedestrian loop: there is a break in the area around Piazza del Popolo.
Among the must-see sites are the Cassero Senese, the Medici Fortress, Porta Vecchia, and several ramparts that now house gardens and public spaces.
The Medici Fortress and the Cassero Senese
The Medici Fortress is one of the most striking complexes within the entire city walls. Unlike the other bastions, this section constituted a true fortified citadel, with structures designed for military life and activities.
Inside are the Piazza d’Armi, the Chapel of Santa Barbara, and the Cassero Senese, an imposing medieval structure dating back to 1345.
The Cassero is particularly interesting because it bears witness to the fortifications that predated Medici rule, which were later incorporated into the new defensive system.
The Cassero Senese is more than two centuries older than the Medici Walls. When the Medici redesigned the city’s defenses, they chose to preserve it and incorporate it into the new Fortress.
The Maiano Bastion and the Casino delle Palle
The Maiano Bastion is one of the oldest sections of Grosseto’s Renaissance fortifications. It was built in 1565–1566, before the large-scale city wall project was completed. It is also known as the Bastione delle Palle, a name that refers to the Medici family coat of arms.
Here stands the so-called Casino delle Palle, a building that bears a heraldic reference to the Florentine family. It is an interesting detail that illustrates how the fortifications also served as a symbol of the Medici family’s political power over the city.
Porta Vecchia: the ancient entrance to the city
This is one of the most iconic sites along Grosseto’s city walls. Located in the southern part of the historic center, it stands as a testament to the former medieval wall and served for a long time as the main entrance to the city.
Before Porta Nuova opened in the 18th century, anyone arriving in Grosseto had to pass through this very gate. Today, Porta Vecchia connects the historic center with Piazza del Mercato and serves as an interesting passageway for those who wish to continue exploring the city’s streets.
The Molino a Vento Bastion and the Citrus Garden
The name derives from the presence, in the past, of a windmill located on the fortification. It is one of the most striking examples of the transformation of the city walls from a military structure into an urban green space.
Today, the bastion also features a citrus garden, which helps make this stretch of the walk particularly pleasant.
Before it was called Molino a Vento (“windmill”), the bastion was known as the Bastion of San Michele. Its current name preserves the memory of a structure that no longer exists, which once marked this point of the walls.
The Garibaldi Bastion and the Bastion of Remembrance
Continuing along the walls, you’ll come across the Garibaldi Bastion and the Bastion of Remembrance, two sites that also recount Grosseto’s more recent history.
The Garibaldi Bastion was formerly known as the Bastion of the Nuns, while the Bastion of Remembrance was called the Bastion of St. Francis. The latter is linked to the memory of those who fell in World War I. In the 20th century, it was transformed into a memorial park, with trees dedicated to the soldiers from Grosseto who died during the war.
A stroll along the city walls thus takes you through very different eras: from the Medici Renaissance to 20th-century history.
Discover Grosseto while staying at the Hotel Granduca
A stroll along the Medici Walls can be an opportunity to continue your visit through Grosseto’s historic center, discovering Piazza Dante, the Cathedral, and the palaces that tell the city’s story.
When you stayat the Hotel Granduca, located at Via Senese 170, near the hospital and the courthouse, you can easily reach the historic center, which is 1.7 km away on foot and 2 km by car. And if you’d like to get to know the city better, trust our recommendations: we’re from Grosseto, we know the area well, and we can suggest what to see and help you organize guided tours with local tour guides, even for groups and parties.
Ask us for information—we’ll be happy to help you discover Grosseto and the Maremma.
