1120 SW 5th Avenue, Suite 1000, Portland, OR 97204
Construction completed in spring 2013
Restoration at the Willamette River - Columbia Slough confluence
Protection and restoration of Portland's fourth largest natural area
Learn about the Council's activities in the Columbia Slough watershed.
Learn about Environmental Services education programs.
Read about Portland's program to remove invasive, non-native plants and restore native vegetation.
Read details of the Columbia Slough Corps of Engineers 1135 Restoration Project