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Offered languages
- German
- English
Cologne's skyline is dominated by its cathedral — and once you've looked up, it's time to look around.
This app-led scavenger hunt takes you through Cologne on foot, using phone-based riddles to guide you from one landmark to the next. No guide, no fixed start time.
• Solve riddles at the Kölner Dom, cross the Hohenzollernbrücke — its love locks legendary — and visit the historic Rathaus at the heart of the old city
• Start anytime, walk at your own pace, and stop for a Kölsch whenever you need one
• Works perfectly for groups of any size — the scoring system keeps things playful all the way through
Around 2 hours, any group size, available in German and English.
Thousands of love locks on the bridge — and not one of them can help you solve the riddles.
What's Included
Meeting and pickup
Book your Explorial tour today. Start whenever you want. *** After booking, you’ll receive your game code via text message and a Viator message. *** Download the Explorial app for free. *** Head to the meeting point and enter the game code provided (6 digits) to start the tour.
What to expect
The route begins in the shadow of the Kölner Dom, whose twin spires define the city's skyline and took over 600 years to complete. The first riddles explore the cathedral's remarkable history and the Roman and medieval layers beneath the modern city.
From the Dom, the trail leads you to the Hohenzollernbrücke, the famous railway bridge draped in thousands of love locks, stretching across the Rhine toward the east bank.
The app then guides you into the Altstadt to the Rathaus — Cologne's historic town hall and one of the oldest in Germany, with a rich and turbulent history to match.
Around 2 hours of walking, any group size. A fully charged smartphone with mobile data is required.
Additional info
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
- Max 15 people per booking. For larger groups, make multiple bookings.
- After booking you receive a text message and a Viator message with your game code. Download the Explorial app from your appstore. Open the app, enter your 6 digit game code
- Weather & Health Guarantee: If bad weather or illness prevents you from starting the tour, you can simply reschedule it for another day. You can also rebook to a different city or request a refund
Additional info
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
- Max 15 people per booking. For larger groups, make multiple bookings.
- After booking you receive a text message and a Viator message with your game code. Download the Explorial app from your appstore. Open the app, enter your 6 digit game code
- Weather & Health Guarantee: If bad weather or illness prevents you from starting the tour, you can simply reschedule it for another day. You can also rebook to a different city or request a refund
- Smartphone required: Bring your own fully charged smartphone with an active mobile data connection to the start of the tour. Please disable any VPN and avoid city Wi-Fi, as these will cause the app to malfunction or disconnect.
- Recommended attire: It’s best to wear weather-appropriate clothing and comfortable walking shoes — approx. 2 hours of light walking
Tags
Cancellation Policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
Cancellation Policy
- For a full refund, you must cancel at least 24 hours before the experience’s start time.
- If you cancel less than 24 hours before the experience’s start time, the amount you paid will not be refunded.
- Any changes made less than 24 hours before the experience’s start time will not be accepted.
You can cancel up to 24 hours in advance of the experience for a full refund.
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