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