Visit Project Riese’s Osówka complex on a private transfer from Wroclaw. This guided visit combines a short walk through WWII tunnels with a comfortable round-trip transfer and local context about the Owl Mountains.
More ways to explore the area's outdoor wonders
A low, damp smell hangs where the mountain opens and the van eases into the shadow of the Owl Mountains. Trees press close to the narrow road, their branches sounding like quiet conversation as the driver pulls up beside the carved entrance to Osówka—one of the most visible portals of Project Riese.
Difficulty
easy
Duration
5–6 hours
Fitness Level
Suitable for most fitness levels; involves short walks and some steps inside the tunnels
Wildlife
History
Project Riese was a large, incomplete Nazi construction project of underground complexes in the Owl Mountains region, begun in 1943 and tied to wartime strategic projects.
Conservation
The area is managed with sensitivity to historical remains and natural forest; stick to marked paths and avoid touching exposed structures to reduce wear.
Reserve your spot on the Private Round Trip to Project Riese Including Tickets today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Dress for cold, damp tunnels
Temperatures inside the tunnels are noticeably cooler—bring a warm jacket even in summer.
Wear sturdy shoes
Surfaces are uneven and sometimes wet; closed-toe hiking shoes with grip are recommended.
Plan travel time
Allow ~1.5 hours each way from Wroclaw and account for road conditions in shoulder seasons.
Respect the site
Follow guide directions inside the tunnels—some areas are fragile or restricted for safety.
Warm jacket
Keeps you comfortable in the cold, damp tunnel environment.
Sturdy walking shoes
Provides traction on uneven and sometimes slippery tunnel and trail surfaces.
Small flashlight or headlamp
Useful for low-light corners even when guided lighting is available.
Compact rain shell
Protects against spring and fall showers during transfers and short outdoor walks.
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