Alluvial Wall, Public sculpture at Eastbank Esplanade, Portland, US
The steel and bronze sculpture extends 13 feet along the riverside, featuring metal strips with embedded objects resembling items found on a beach.
Peter Nylen and Rigga architectural firm created this outdoor installation in 2001 through Portland Development Commission's Percent for Art program.
The sculpture represents the geological layers of the Willamette River before Portland's urban development through copper strips and metal artifacts.
Visitors can observe the sculpture while walking or cycling along the Eastbank Esplanade path, which connects to other public art installations.
The metal structure contains unexpected objects cast in black metal, including a child's ball and a morel mushroom embedded within copper strips.
Location: Portland
Inception: 2001
Made from material: metal
GPS coordinates: 45.52037,-122.66648
Latest update: October 13, 2025 17:23
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