Tour Guide
The Two Towers of Bologna

Historic Building

🏛️ Two Towers of Bologna (Due Torri)

Medieval skyscrapers - one climbs to the sky, one leans like a drunk

Photo: Archaeodontosaurus · Wikimedia Commons · CC BY-SA 4.0

What makes Two Towers of Bologna (Due Torri) historically important?

In medieval Bologna, wealthy families competed to build the tallest towers -- status symbols, defensive structures, and displays of engineering prowess. At the city's peak, over 100 towers bristled from the skyline. Today, fewer than 20 survive, but two stand together at the historic heart: Asinelli reaches 97.2 meters, while Garisenda leans dramatically at 3.2 degrees. The Asinelli family built their tower around 1109-1119, and it remains the tallest leaning medieval tower in the world. Next door, the Garisenda tower began even taller, but subsidence forced builders to reduce its height to 48 meters. Dante mentioned Garisenda's alarming lean in the Divine Comedy, cementing its literary fame centuries before Pisa's tower became famous. Piazza Maggiore and San Petronio are a short walk west through Bologna's famous porticos.

Weather in Two Towers of Bologna (Due Torri)

Weather data from MET Norway

Architecture

Asinelli rises 97.2 meters with a lean of 2.23 meters from vertical -- the tallest leaning medieval tower in the world. The interior staircase spirals 498 wooden steps upward through the narrow shaft. Garisenda leans at 3.2 degrees -- more dramatic than Pisa's famous tower -- and was shortened from its original height to 48 meters due to subsidence. The two towers together create Bologna's most iconic image. From the summit of Asinelli, panoramic views extend across terracotta rooftops to the Apennine mountains, and on clear days, the distant Alps. Medieval graffiti from centuries of visitors marks the interior walls.

Historical Significance

In the 12th century, Bologna's skyline bristled with over 100 towers built by competing noble families as displays of wealth, defensive strongholds, and symbols of political power. The Asinelli tower was built around 1109-1119 and served as a military watchtower and signal post. Garisenda began construction at the same time but was never completed to its intended height due to foundation problems. Dante Alighieri referenced Garisenda's lean in Canto XXXI of the Inferno, comparing the tilting giant Antaeus to the tower when viewed from below on a cloudy day. A guide connects the towers to Bologna's medieval power dynamics and explains where the 100+ vanished towers once stood.

When to Visit

Asinelli Tower: daily 10 AM - 6 PM (extended summer hours). Garisenda: closed to public (viewable from outside only). Limited capacity: visitors admitted in small groups. Best time: early morning or late afternoon for best light.

Admission and Costs

Asinelli climb: €5. Guided tour: €25-40 per person (including context). Private guide: €100-150 for up to 6 people.

Tips for Visitors

Fitness required: 498 steps with no elevator and narrow passages. Book ahead: capacity limits mean walk-ups often cannot enter. Not for claustrophobics: the internal stairway is narrow and crowded. The view is magical at sunset as Bologna's lights come on. Walk to Piazza Maggiore through the porticos. Garisenda is currently closed due to stability concerns but remains impressive from below. The towers are beautifully illuminated after dark.

Frequently Asked Questions

What months offer the best conditions for climbing the Two Towers of Bologna?

May and September are the standout months, delivering clear skies that reward the 498-step climb of Torre degli Asinelli with views stretching to the Apennines and, on exceptional days, the distant Alps. April through June and September through October all rate highly, with comfortable temperatures for the enclosed spiral staircase. Winter months are cold and hazy, often obscuring the panorama that makes the climb worthwhile.

When can visitors tour Two Towers of Bologna (Due Torri)?

Asinelli Tower: Daily 10 AM - 6 PM (extended summer hours). Garisenda: Closed to public (viewable from outside only). Limited capacity: Visitors admitted in small groups. Best time: Early morning or late afternoon for best light

How much is the entrance fee for Two Towers of Bologna (Due Torri)?

Asinelli climb: €5. Guided tour: €25-40 per person (including context). Private guide: €100-150 for up to 6 people

What can visitors see from inside and atop the Asinelli Tower?

The narrow staircase spirals up Asinelli's interior with centuries of medieval graffiti. From the top, see the Apennines, terracotta rooftops, and on clear days the Alps. The two towers together create Bologna's most iconic image.