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Discover Rijeka’s WW2 underground fortresses and historic sites on this 3-hour guided tour, featuring stunning views, expert guides, and a wine tasting.

This 3-hour tour in Rovinj, priced at $71.94 per person, offers a deep dive into Rijeka’s military history, focusing on underground and above-ground fortresses built in the 1930s. The tour is led by certified guides who share detailed stories about the battle for Rijeka during WWII, making history come alive in a personal and engaging way.
What makes this experience stand out is the combination of historic site visits, scenic views, and underground exploration of the Katarina B fortress and the unfinished San Giovanni fortress. The tour ends with a wine tasting and a short film about Rijeka’s post-war restoration, providing a full picture of the city’s turbulent past.
The tour is suitable for most travelers since no prior experience is required, but it does involve walking on an easy hiking trail and visiting underground sites at 14°C. It’s a highly rated experience with five stars from 12 reviews, appreciated for its knowledgeable guides and stunning views.
Planning more time in Rovinj? We've covered other experiences worth considering.

The tour begins at Ulica Rade Upića in Rijeka and lasts about 3 hours. It includes a drive along the Louisiana and Petroleum roads, offering a glimpse of the city’s important historical sites, such as Banska vrata and the Panca Bridge. Participants can expect to enjoy sweeping bird’s-eye views of Rijeka, which enhance the historical narrative.
The tour concludes back at the same meeting point, making logistics straightforward. The flexible hours allow for visits from 9:30 AM to 5:30 PM, ensuring plenty of options to fit into various schedules.

The core of the experience is a walk through the 1000-meter-long underground fortress Katarina B, a key site in Rijeka’s WWII history. This fortress was a vital part of the city’s defense against invasion, and the guides share details about its construction and strategic importance.
Other above-ground fortresses are also visited along an easy hiking trail, which features sights such as old mills and the Rjeina river canyon. The trail offers a combination of history and nature, with panoramic views that complement the underground exploration.

The tour culminates in the entrance hall of the San Giovanni fortress, an unfinished underground structure. Here, visitors gather for a social moment with a glass of local wine and watch a short film about Rijeka’s restoration efforts after WWII. This part of the tour provides context to the city’s recovery, linking historical battles to modern reconstruction.

Participants stop at Banska Vrata, a historically significant gate, and the Panca Bridge, which played a role in Rijeka’s transportation history. These locations are points of interest that add depth to the tour, offering photographic opportunities and insights into the city’s military and civic development.

Throughout the tour, spectacular views of Rijeka unfold from various vantage points, including the Rjeina river canyon and ancient mills. These highlights are especially appreciated in clear weather and provide a stunning backdrop to the historical narration.

The underground facilities are equipped with helmets and headlamps, ensuring safety and visibility during exploration. The tunnels and bunkers are well-preserved, yet the temperature remains around 14°C, so warmer clothing and appropriate footwear are recommended.
The guided explanations are delivered by professional, certified guides, who make complex history accessible and engaging. The tour involves walking on easy terrain, making it suitable for most visitors, although it’s not recommended for those with claustrophobia or epileptic seizures.

Guides like Josip and Sarah are praised for their knowledge and enthusiasm, making the storytelling lively and accessible. They provide contextual stories about the battle for Rijeka, the construction of military forts, and the city’s WWII experiences.
Their explanations are complemented by audio-visual effects and projections inside the underground structures, enhancing the immersive feel of the visit.
Participants are advised to bring warmer clothes due to the underground temperatures and wear sturdy shoes for walking. The tour includes insurance and all necessary equipment. It departs from the Ulica Rade Upića meeting point and is available year-round.
Advance booking is recommended, as the tour is often booked around 46 days in advance. It operates daily, with flexible scheduling to suit different plans.
The final part at the San Giovanni fortress allows for socializing with a glass of wine, providing a relaxed way to conclude the exploration. The short film about Rijeka’s post-war development ties together the historical narrative, leaving participants with a fuller understanding of the city’s resilience.
This specialized tour offers a rich mix of history, nature, and scenic views in Rijeka, ideal for those interested in military architecture and World War II stories. The small group size ensures personalized attention, while the expert guides make the experience engaging and informative.
While the underground exploration involves walking and some confined spaces, it remains accessible for most visitors. The inclusion of wine tasting and the short film adds a touch of relaxation and cultural insight. Overall, it’s a thoughtful, well-organized journey suitable for history enthusiasts and curious explorers alike.
“The tour was AMAZING! Having Josip as our historical tour guide couldnt have been any better, a wealth of knowledge, presented in a relaxed and fri…”
Is the tour suitable for children?
The tour is designed for most adults and young adults. It involves underground walking and walking on easy trails, but it’s not recommended for children under a certain age due to confined spaces and temperature.
How long does the tour last?
The entire experience lasts approximately 3 hours.
What should I bring?
Warm clothing, adequate footwear, and a camera for capturing views and sites are recommended. Helmets and headlamps are provided.
Is the tour accessible for people with mobility issues?
The tour involves walking on easy trails and navigating underground tunnels, which may be challenging for those with mobility restrictions.
Can I book this tour on short notice?
Booking is generally made around 46 days in advance, but last-minute availability may vary depending on demand.
What’s included in the price?
The price covers guide services, transport, entrance fees, helmets and headlamps, audio-visual effects, insurance, and a wine tasting.
Are there any restrictions?
It’s not recommended for those suffering from epileptic seizures or claustrophobia.
What is the cancellation policy?
Free cancellation is available up to 24 hours before the start of the tour, with a full refund. Less than 24 hours’ notice means no refund.
Where does the tour start and end?
It starts and ends at Ulica Rade Upića in Rijeka, conveniently located near public transportation.
Can I request a private tour or specific date?
Yes, private tours and alternative dates can be arranged on request, providing more flexibility for customized experiences.