St. Stephen's Cathedral Vienna: Climbing the South Tower for Panoramic Views (and Finding the O5 Carving)

Stephansdom — St. Stephen's Cathedral — is the heart of Vienna in the most literal sense. Its South Tower has been the tallest structure in the city for most of the last 600 years. The roof pattern of 230,000 glazed tiles is one of the most recognisable images in Central Europe. And almost everything worth experiencing here is either free or very cheap.

What's Free

The cathedral interior is free to enter during visiting hours (not during masses). The nave is vast, Gothic, and genuinely impressive — pointed arches soaring to 28 metres, ornate pulpit, carved stone altars. The carved wooden pulpit from 1515 is one of the finest examples of late Gothic sculpture in the German-speaking world.

The cathedral square (Stephansplatz) is free, obviously, and worth standing in for a few minutes to take in the scale of the building from ground level.

The South Tower: 343 Steps Up

The South Tower climb is the best value thing you can do in Vienna. €5.50 gets you access to the 343-step staircase (no lift) that winds up inside the tower to the watchman's room at 72 metres. The view over Vienna's rooftops, the Ring, and the Vienna Woods beyond is exceptional.

The climb is narrow and the stone steps are uneven — it takes about 15 minutes going steadily, and you'll pass some visitors coming back down mid-climb having reconsidered. The top is also narrow and can get crowded. Go early morning or late afternoon for the best combination of light and fewer people.

The North Tower: Lift to the Pummerin

The North Tower has a lift to an observation platform that houses the Pummerin — the 21-tonne bell cast from cannons captured from the Ottoman siege of Vienna in 1683, recast after WWII. Entry €6. The view here is less dramatic than the South Tower top, but the bell itself is worth seeing up close. The two towers offer different perspectives, so visiting both on a longer stay makes sense.

The Catacombs

Below the cathedral are the Habsburg Crypt and the Bone House — catacombs containing the remains of approximately 11,000 victims of plague, and the internal organs of the Habsburg rulers (their hearts went to the Augustinian Church, their bodies to the Imperial Crypt at the Kapuzinerkirche — Vienna had a system). Tours run on the hour, €6. If you have a taste for the macabre and historically significant, it's worth it.

Finding the O5 Carving

On the pillar to the right of the North Tower entrance, look for a small carving of "O5" at about waist height. This was the symbol of the Austrian resistance movement during the Nazi occupation — "O" standing for Österreich (Austria), "5" for the fifth letter of the alphabet, E, representing the first letter of the word "Einigkeit" (unity). It was carved secretly and the cathedral authorities have preserved it. Most visitors walk past it entirely.

Pro Tips

• The cathedral closes for tourists during morning and midday masses — check the schedule on the official site.
• Photography is permitted in the nave but not in the catacombs.
• A free audio guide app (Stephansdom app) is available and covers the main interior features adequately.

Our Take

Interior for free, South Tower for €5.50, find the O5 carving. That's the visit. The catacombs are a bonus if you have 45 minutes and a taste for Habsburg organ storage.