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Discover Oklahoma City's Hidden Underground Tunnels
A guide to exploring the city's little-known network of underground passageways.
Published on Feb. 3, 2026
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Oklahoma City's downtown area is home to an extensive underground tunnel system that connects many of the city's key buildings and landmarks. This network of passageways, built over decades, allows pedestrians to move around the city center without having to brave the elements above ground. While well-known to longtime locals, the tunnels remain a hidden gem for many visitors to discover.
Why it matters
The underground tunnels provide a unique way for people to navigate downtown Oklahoma City, offering a climate-controlled alternative to walking the streets. They also serve as an important connection between major buildings and attractions, making the city center more accessible. Exploring the tunnels can be a fun and unique way for both residents and tourists to experience the city.
The details
The underground tunnel system in Oklahoma City dates back to the 1970s, when the city began constructing the passageways to link government buildings, hotels, and shopping centers. Over time, the network has expanded to include over 20 blocks of tunnels, with access points scattered throughout the downtown area. The tunnels are open to the public during regular business hours and provide a climate-controlled environment for pedestrians to move around the city center.
- The underground tunnel system in Oklahoma City dates back to the 1970s.
- The network of tunnels has expanded over the decades to cover over 20 blocks downtown.
The players
Oklahoma City
The capital and largest city in the state of Oklahoma, known for its vibrant downtown area and growing arts and culture scene.
What’s next
Visitors to Oklahoma City can explore the underground tunnels by accessing them from various entry points throughout the downtown area. Maps and signage are available to help navigate the network of passageways.
The takeaway
Oklahoma City's underground tunnel system offers a unique and convenient way for both residents and tourists to experience the city center. By providing a climate-controlled alternative to walking the streets, the tunnels make the downtown area more accessible and enjoyable to explore.
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