The Shanghai Tunnels, less commonly known as the Portland Underground, are a group of passages running underneath Old Town/Chinatown down to the central downtown section of Portland, Oregon, United States. The tunnels connected the basements of many downtown hotels and bars to the waterfront of the Willamette River. They were built to move goods from the ships docked on the Willamette to the basement storage areas, which allowed businesses to avoid streetcar and train traffic on the streets when delivering their goods.
The underground tunnels are reportedly haunted and were featured on an episode of Ghost Adventures. These tunnels have also been featured as settings and plot devices in television shows set in Portland, such as Leverage and Grimm.
- Pickett, Nelson. "Free Tours of Oldtown Set to Start." The Oregonian December 1, 1990, 4 ed., sec. C: 07. America's Newspapers. NewsBank. Multnomah County Library, Portland. 30 Apr. 2008. Keyword: shanghai tunnels.
- The Oregonian: "Portland's buried truth" Helen Jung, 2007, Last accessed November 7, 2008
- Cascade Geographic Society, offers tours of the basements near the tunnels.