August 2015 Work Party Volunteers


You can help protect watershed health! Volunteer to plant trees, sign up for our newsletter, host a presentation, or attend a free workshop. SCHEDULED...
Restoring another white oak woodland

OLWC In the News: Restoring another white oak woodland

Restoring another white oak woodland by Corey Buchanan, March 14, 2019 in the West Linn Tidings Westlake Homeowners Association Open Spaces Liaison Tom Berridge...
Hallinan Woods

Support the OLWC Hallinan Fund

The Coalition for Hallinan Woods Nature Park is a neighborhood organization working to preserve and expand a nature park adjacent to Hallinan Elementary School....

What is the Oswego Lake Watershed Council? The Oswego Lake Watershed Council (OLWC) is a locally organized, non-profit, non-regulatory watershed stewardship organization established to improve the condition and health of the Oswego Lake watershed and its stream network.

Voice of the Pacific Chorus Frog played with the kind permission of Martyn Stewart,