Oregon Convention Center

The Oregon Convention Center is a convention center in Portland, Oregon. Completed in 1989, and opened in 1990, it is located on the east side of the Willamette River in the Lloyd District neighborhood. It is best known for the twin spire towers, which provide light into the building's interior and for housing the world's largest Foucault Pendulum. The center is owned by Metro, the Portland area's regional government, and operated by the Metropolitan Exposition and Recreation Commission.

The building was designed by the architectural firm of Zimmer Gunsul Frasca Architects . It is the largest convention center in Oregon at nearly 1 million square feet . The complex includes 255,000 square feet of exhibit space. It features the largest ballroom in the City of Portland at 35,000 square feet . The original building was built in the late 1980s, opened in 1990, and was expanded in 2003. ZGF was also involved in designing the expansion. More recently, the building has become known for upward illuminating the twin spires yearly on September 11 in memorial of the events of 9/11. In 2008, the OCC replaced its traditional Wi-Fi Hotspots with Wi-Fi Arrays to provide wireless internet services which are sold to exhibitors and attendees.

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