Criptoportico Forense: A Roman Enigma Beneath Aosta

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Explore Aosta's ancient Roman past in the mysterious Criptoportico Forense, a remarkably preserved underground structure with a captivating history.

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Criptoportico Forense

The Criptoportico Forense, an underground Roman structure in Aosta, Italy, dates back to the 1st century AD. Its original purpose remains a mystery, though it likely served as a covered passageway or storage area connected to the ancient Roman forum. Today, it stands as a remarkably well-preserved glimpse into Roman engineering and history.

A brief summary to Criptoportico Forense

Piazza Papa Giovanni XXIII, Aosta, Aosta Valley, 11100, IT
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Monday 10 am-1 pm
Tuesday 10 am-1 pm
Wednesday 10 am-1 pm
Thursday 10 am-1 pm
Friday 10 am-1 pm
Saturday 10 am-1 pm
Sunday 10 am-1 pm

Local tips

The Criptoportico is included in the 'Aosta Archeologica' cumulative ticket, which also grants access to other archaeological sites in Aosta, offering good value for history enthusiasts.
Opening hours vary depending on the season; check the official website for the most up-to-date information.
The cryptoportico can be chilly, even in summer. Bring a light jacket or sweater for your visit.
Photography is allowed for private use, but selfie sticks are prohibited.

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Getting There

Walking

The Criptoportico Forense is located in the heart of Aosta, easily accessible on foot from most points in the city center. From Piazza Chanoux, the main square, walk north towards the Aosta Cathedral. The entrance to the Criptoportico is located to the left of the Cathedral, on Piazza Giovanni XXIII. The walk is short and straightforward, taking only a few minutes. No costs are involved.
Public Transport

Aosta is well-served by buses. Several bus lines stop near the city center. From the bus station, walk north along Via Festaz towards Piazza Chanoux, then continue to Piazza Giovanni XXIII and the Cathedral. The Criptoportico entrance is to the left of the Cathedral. A single bus fare within Aosta typically costs around €1.20.
Taxi

Taxis are available in Aosta, particularly at the train station and major squares. A short taxi ride from the train station or another point in the city center to Piazza Giovanni XXIII will cost approximately €8-€12, depending on traffic and distance.
Parking

If driving, several parking options are available in Aosta, including Carrel covered parking and De la Ville covered parking. Carrel parking charges €1 per hour from 6 AM to 8 PM and €0.20 per hour from 8 PM to 6 AM, with a maximum daily rate of €6. De la Ville parking costs €0.50 per hour from 7 AM to 7 PM and €0.20 per hour from 7 PM to 7 AM, with a maximum daily rate of €3. From either parking location, it's a short walk to Piazza Giovanni XXIII and the Criptoportico. Be aware that parking can be limited, especially during peak season.

Discover more about Criptoportico Forense

The Criptoportico Forense, located in the heart of Aosta, is a captivating and enigmatic monument from the Roman era. Dating back to the 1st century AD, this underground structure once formed part of the ancient Roman forum of Augusta Praetoria, the colony founded by Augustus in 25 BC. The precise function of the Criptoportico remains a subject of debate among archaeologists, adding to its allure. The structure consists of a U-shaped, two-aisled gallery, approximately 73 meters long, with barrel-vaulted ceilings supported by sturdy travertine pillars. Lancet windows provide illumination and ventilation. It's thought to have served a structural purpose, leveling the ground and supporting temples above. Some theories suggest it functioned as a covered walkway for worshippers accessing the temples or as a storage area for military supplies. In later centuries, it may have been used for storage related to nearby shops. Today, the Criptoportico Forense is one of the few accessible forensic cryptoporticos in Europe. Visitors can explore its mysterious galleries and imagine life in Roman Aosta. Informative displays and multilingual video presentations enhance the experience. The site offers a serene atmosphere, inviting reflection on the rich history of the region.