What is the Significance of the Clocktower at the Iglesia de San Cernín?

What is the Significance of the Clocktower at the Iglesia de San Cernín?

Right in the heart of Pamplona’s old town, the Iglesia de San Cernín (also known as San Saturnino) is one of those places that quietly holds centuries of stories. From the outside, it looks almost like a fortress - with thick stone walls and sturdy tower - and that’s no accident. Back in medieval times, this church wasn’t just a place to pray; it also helped protect the neighborhood from invading enemies. Over the years, it’s become deeply tied to the identity of the city and its most famous traditions.

One of its most fascinating features is the clocktower, built in 1499. Imagine that - this same clock has been keeping time for over 500 years. Long before smartphones and wristwatches, it was how local Pamploneses structured their day. Even now, it stands as a steady, familiar presence above the winding streets of the old city.

But things get especially exciting during the San Fermín fiestas in July. Every morning, just before 8:00 a.m., there’s a kind of electric tension in the air. Runners dressed in white with red scarves gather along the narrow streets, and spectators lean over balconies, all waiting for that exact moment.

And this is where the old clocktower comes into play.

As the clock reaches 8:00 a.m. sharp, the first rocket is fired from the corrals of Santo Domingo. That’s the signal everyone is waiting for - it means the gates of the bull pens have been opened. In an instant, the mood shifts from nervous anticipation to full adrenaline rush. The bulls are now on the move as they leave their corrals. 

Seconds later, a second rocket is fired from the corrals and confirms that the bulls are fully on the course, now charging full-blast through the streets.

For the runners, those final glances at the clock on San Cernín's famous tower are part of the ritual. For spectators, it’s a shared countdown. And for the city, it’s a moment where history feels alive: a 15th-century clocktower marking the start of another treacherous bullrun - one of the world’s most famous events of one of the world's most famous festivals.

That’s what makes this church so special. It’s not just an old building - it’s still part of the rhythm of Pamplona today, connecting centuries of history with the energy and tradition of every single morning's bullrun during the San Fermín fiestas.

The Iglesia de San Cernín (also called San Saturnino) is located in the heart of the old town of Pamplona, at Calle San Saturnino (sometimes written as: c/ San Saturnino), 31001 Pamplona.

The church generally keeps a consistent schedule throughout the year, including during the San Fermín fiestas, although access can sometimes be limited due to services or crowds.

Typical visiting hours:

  • Monday to Saturday: 9:30 a.m. – 12:00 p.m. and 6:00 p.m. – 7:30 p.m.
  • Sundays & holidays: 10:00 a.m. – 1:30 p.m. and 6:30 p.m. – 7:30 p.m.
Back to blog

Leave a comment

Please note, comments need to be approved before they are published.