Our Work


Powell Butte

Powell Butte Nature Park, a 612-acre park located in East Portland, sees heavy trail use among hikers, mountain bikers and horseback riders.

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Lan Su Chinese Garden

The Lan Su Chinese Garden is a 40,000-square-foot park in Portland’s Old Town Chinatown neighborhood.

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Ventura Park

Located in East Portland, Ventura Park is a seven-acre park located adjacent to an elementary school.

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Blue Lake Park Wetland

As part of an on-call services contract, Metro hired NNA to develop design options and construction documents to repair asphalt trails compromised by tree roots and replace three failing, 25 year old wood bridge structures incorporated into the trail system at Metro’s Blue Lake.

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Evergreen Park

Evergreen Park consists of three connected parcels that form an open space network for a developing high-density Hillsboro neighborhood. Apartments, all without significant open space, front all sides of this 15-acre park.

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Portland Classical Chinese Garden

The idea for a Chinese Classical Garden emerged when Suzhou, China was selected as Portland’s sister city. In 1991, Ben Ngan began a commitment to help plan, design, fundraise and advocate for the garden.

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