
Private Tour of a Secret Bunker and Fortress in the Alps
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Not yet rated
No traveler reviews have been published for this experience yet.
Quick answer
Is Private Tour of a Secret Bunker and Fortress in the Alps worth booking?
Private Tour of a Secret Bunker and Fortress in the Alps is a 8-hour experience in Zurich, Switzerland, from $2,478 per person. It scores 40 out of 100 on the Outty Ranking, which we label “Worth a Look”. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.
- Outty Ranking
- 40 / 100
- Rating
- Not yet rated
- Duration
- 8 hours
- From
- $2,478 per person
Discover Switzerland’s Hidden Gems! Begin your adventure in the storybook village of Appenzell, where colorful houses and local traditions bring Swiss charm to life. Then, ascend the Hoher Kasten for breathtaking 360° views over the Alps and Lake Constance. Cap off the day with a thrilling visit to secret Swiss bunkers in Bad Ragaz — a fascinating peek into Switzerland’s mysterious past! In the mountains underneath the village of St Margrethenberg above Bad Ragaz (at 4,000 feet) lays the "battle ship" of the Alps that stood the test of time (Building started 80 years ago in 1939). It was kept completely secret by the Swiss Army until 2001. The Fortress Furggels (also called Fort Furkels) is one of the largest underground Fortresses ever built in Switzerland. Originally built during World War II later maintained and continuously upgraded during the Cold War to the latest standard (til 1999) with nuclear filters etc to survive new threats including nuclear attacks.
What you get
About this experience
Discover Switzerland’s Hidden Gems! Begin your adventure in the storybook village of Appenzell, where colorful houses and local traditions bring Swiss charm to life. Then, ascend the Hoher Kasten for breathtaking 360° views over the Alps and Lake Constance. Cap off the day with a thrilling visit to secret Swiss bunkers in Bad Ragaz — a fascinating peek into Switzerland’s mysterious past! In the mountains underneath the village of St Margrethenberg above Bad Ragaz (at 4,000 feet) lays the "battle ship" of the Alps that stood the test of time (Building started 80 years ago in 1939). It was kept completely secret by the Swiss Army until 2001. The Fortress Furggels (also called Fort Furkels) is one of the largest underground Fortresses ever built in Switzerland. Originally built during World War II later maintained and continuously upgraded during the Cold War to the latest standard (til 1999) with nuclear filters etc to survive new threats including nuclear attacks.
What's included
Included
- Private transportation
- On-board WiFi
- Bottled water
- In-vehicle air conditioning
- Admission fees
Not included
- Admission fees
- Lunch
What you'll see and do
Appenzell
Visit the beautiful village of appenzell famous for their beer and cheese.
30 minutes here
Appenzell
The tour will be customized after speaking directly with customers. One option is to visit the wonderful Hocher Kasten Mountain where we could have lunch overviewing the Swiss alps in a rotating all glass restaurant. Here you will have views of 5 countries.
120 minutes here
Liechtenstein Center
Another option would be to visit the 6th smallest country in the world! Take pictures of the Liechtenstein castle where the prince currently lives in. Also able to visit the princes vineyards for a quick tasting. Great stop for lunch as well here.
120 minutes here · Admission not included
Swiss Alps
Visit an ultra secret Swiss bunker in the alps created in the Second World War and where just in 2001 was actually released to the public. In the mountains underneath the village of St Margrethenberg above Bad Ragaz (at 4,000 feet) lays the "battle ship" of the Alps that stood the test of time (Building started 80 years ago in 1939). It was kept completely secret by the Swiss Army until 2001. The Fortress Furggels (also called Fort Furkels) is one of the largest underground Fortresses ever built in Switzerland. Originally built during World War II later maintained and continuously upgraded during the Cold War to the latest standard (til 1999) with nuclear filters etc to survive new threats including nuclear attacks.
90 minutes here
Where it starts and ends
Hotel pickup
Pickup is included for all travelers. Pickup begins about 5 minutes before departure.
Before you book
- Cancellation
- For a full refund, cancel at least 24 hours before the scheduled departure time.
- Languages
- de, sk, en, it, fr, es
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 15 travelers per booking
- Operated by
- Sierra Luxury Services
Know before you go
- Wheelchair accessible
- Infants and small children can ride in a pram or stroller
- Specialized infant seats are available
- All areas and surfaces are wheelchair accessible
- Not recommended for travelers with poor cardiovascular health
- Suitable for all physical fitness levels
- Extra time not accounted for is required for the driving distances.
- Tour is completely customizable
Photos






Good to know
- Duration
- 8 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Hotel pickup
- Included for all travelers
- Booked in 30 days
- 0
- Verdict
- Worth a Look
Who runs this experience
Operated by Sierra Luxury Services, who run 6 experiences we rank across 2 cities, with an average Outty Ranking of 45.4.
See everything Sierra Luxury Services runsWhy this scores 40
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Private Tour of a Secret Bunker and Fortress in the Alps: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Zurich.
How much does Private Tour of a Secret Bunker and Fortress in the Alps cost?
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Prices start at $2,478 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Zurich usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does Private Tour of a Secret Bunker and Fortress in the Alps take?
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Plan for about 8 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Zurich is not rushed.
Is Private Tour of a Secret Bunker and Fortress in the Alps worth it?
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It holds an Outty Ranking of 40 out of 100, which we label "Worth a Look". That score blends traveler sentiment (0/5 across 0 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in Zurich, and how flexible the cancellation terms are.
Can I cancel or reschedule Private Tour of a Secret Bunker and Fortress in the Alps?
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Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.
Is Private Tour of a Secret Bunker and Fortress in the Alps suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 8-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Private Tour of a Secret Bunker and Fortress in the Alps?
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Around 0 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Zurich can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.
What should I bring or wear?
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Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Zurich and add a light layer if any part of the 8-hour experience runs outdoors or after sunset.
Where does Private Tour of a Secret Bunker and Fortress in the Alps start and how do I get there?
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The exact meeting point and directions are on your voucher once you book, and they sit in central Zurich within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.
What are the best things to do in Zurich?
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On Outty we rank every Zurich experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Zurich Food Tour with 10 Local Delicacies, Cheeses & Chocolates, Private, excellent guided tour of Zurich (from CHF 21/pers.), Zurich Historic District Guided 2-Hour Walking Tour. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.
When is the best time to visit Zurich?
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Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.
How many days do you need in Zurich?
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Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.
Do I book through Outty or through the operator?
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Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.
What is included in Private Tour of a Secret Bunker and Fortress in the Alps?
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Included: Private transportation; On-board WiFi; Bottled water; In-vehicle air conditioning; and Admission fees. Not included: Admission fees; and Lunch. Always check the voucher for the final list before you travel.
Does Private Tour of a Secret Bunker and Fortress in the Alps include hotel pickup?
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Yes, pickup is offered for every traveler from 541 listed pickup locations in and around Zurich. Be ready about 5 minutes before the start time. You can also enter a custom pickup address when booking.
What languages is Private Tour of a Secret Bunker and Fortress in the Alps offered in?
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It is offered in German, Slovak, English, Italian, French and Spanish. Pick your language when choosing a date and time, as not every departure runs in every language.
Will I get instant confirmation and a mobile ticket for Private Tour of a Secret Bunker and Fortress in the Alps?
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Confirmation is sent by the operator after booking, usually within 48 hours; if it is not confirmed you are not charged. Mobile tickets are accepted, so you can show the voucher on your phone.
Is Private Tour of a Secret Bunker and Fortress in the Alps wheelchair or stroller accessible?
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The operator notes: Wheelchair accessible; Infants and small children can ride in a pram or stroller; Specialized infant seats are available; and All areas and surfaces are wheelchair accessible. If accessibility is critical, contact the operator after booking to confirm arrangements for your date.
What happens to Private Tour of a Secret Bunker and Fortress in the Alps if the weather is bad?
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It generally runs rain or shine, so dress for the forecast in Zurich. Standard cancellation terms apply: free cancellation up to 24 hours before the start.
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