Caesar Tower in Provins: the only octagonal keep on a square base in the world
From the ramparts, the bells ring twice. Five minutes before the hour, then right on the dot. This ritual has continued since 1689, when the tower took over the duties of the collapsed bell tower at Saint-Quiriace. The largest bell weighs three tons and measures 1.48 meters in diameter. You can feel it vibrate right through the stone beneath your feet.
Why visit Caesar Tower?
There is no other keep in the world with this geometry: a 17.60-meter square base that transforms into an octagon halfway up. Four turrets sit at the corners, with four buttresses topped by watchtowers on the remaining sides. Henry I the Liberal, Count of Champagne, had it built after 1150 to assert his authority over a city then at the peak of its prosperity thanks to the famous Champagne fairs.
The name has nothing to do with Julius Caesar. An old Provins legend attributed the founding of the city to the Romans, but no evidence confirms this. The word Caesar here refers to a symbol of power. The Temple Tower in Paris actually carried the same nickname.
Unmatched military architecture
The English Pastry
The heavy oval wall that encloses the base of the keep is not original. The English added it after taking Provins by treachery in 1432, during the Hundred Years War. To pay for it, the English captain Thomas Guérard taxed the already bankrupt inhabitants. The city had to borrow the silverware from the Saint-Quiriace and Saint-Pierre churches to cover the cost.
Trapped staircases and four-meter walls
The steps are intentionally irregular and narrow. A single soldier could defend the passage against multiple attackers. The thickness of the walls reaches four meters in places, enough to house dungeons, firing positions, and a network of hidden staircases. A well remained unknown for centuries before being rediscovered by accident.
What you see floor by floor
The tour is self-guided using a smartphone audioguide included with your ticket. Ten stations trigger automatically via Wi-Fi sensors as you climb. The audioguide lasts about 25 minutes, but you are free to take more time to explore the nooks and crannies.
Look for these as you climb:
- The lower room, with its domed vault and projections about the reign of Henry the Liberal and his departure for the Crusade
- The guard room and its ogival arches at a height of 4.50 meters
- The Governor's chamber, recognizable by its fireplace and its latrines built into the thickness of the wall
- The parapet walk, with a 360-degree panorama of the rooftops of Provins and the Brie plain
- The 17th-century framework, where the beams tangle above the bells
Friendly tip: climb up to the bells just before the hour. Hearing them ring from just a few meters away, feeling the vibration in the wood and stone, is a highlight. Remember to bring your own headphones for the audioguide.
What makes the visit memorable
- Architecture unique in the world, with no known equivalent in Europe
- The interactive audioguide, well designed and family-friendly
- The panorama from the parapet walk, especially in the late afternoon
- A very reasonable price for a UNESCO-listed monument
What to anticipate
- Steep and very narrow stairs in places: flat shoes are strongly recommended
- Difficult access for people with reduced mobility or very young children
- Limited hours in the off-season, check before you come
- No restrooms inside the tower
At Avygeo, we find that Caesar Tower is best visited as a complement to the Grange aux dîmes (Tithe Barn) and the souterrains (underground tunnels). The Provins Pass makes the combination significantly better value than a single ticket for each site, and it remains valid for one year.
Indicative entry ticket prices
| Package | Adult | Child (4-12 years) |
|---|---|---|
| Caesar Tower single ticket | 5 EUR (about $5.50) | 3 EUR (about $3.30) |
| Provins Pass (5 monuments) | From 9.50 EUR (about $10.50) | From 6.50 EUR (about $7.20) |
| Under 4 years old | Free | |
Indicative prices subject to change
The Grange aux Dîmes and the Caesar Tower are the two must-see sites in Provins. As a symbol of medieval power, the tower takes about thirty minutes to visit and let me discover some impressive rooms, especially the guard room, as well as the different functions the place served, from a dungeon to a prison. Once at the top, the ramparts offer a nice view of Provins.