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Columbia Slough Watershed Council

Year at a Glance

Year at a Glance

See below for 2019 Columbia Slough Watershed Council events:

For most current information on events please see the upcoming events page of our site.



  • Owl Prowl October 11th, 7-9 PM

  • No Ivy Day, Johnson Lake Property, October 26th, 9 AM-12 PM

  • Council Meeting at MCDD, October 28th, 5:30-7:30 PM


  • Council Meeting at Gregory Heights Library, November 25th, 5:30-7:30 PM


  • Council Meeting,  MCDD, December 16th, 5:30-7:30 PM



  • Holiday Tree Tossing Party, Kelley Point Park, January 4th, 10AM-1 PM

  • Stewardship Saturday, Columbia Park, January 25th, 9AM-12PM

  • Groundwater 101 Workshop, McKinstry Company,  January 25th, 9AM-1 PM

  • Council Meeting, TBD, 5:30-7:30 PM


  • Stewardship Saturday, Columbia Children’s Arboretum, February 1st, 9 AM-12PM

  • Stewardship Saturday, NE Ainsworth Corridor, February 8th, 9AM-12PM

  • Stewardship Saturday, Heron Lakes Golf Course, February 22nd, 9AM-12PM

  • Council Meeting, TBD, 5:30-7:30PM

  • Stewardship Saturday,Wilkes Creek Headwaters, February 29th, 9AM-12PM


  • Stewardship Saturday, Kelley Point Park, March 7th, 9AM-12PM

  • Slough Celebration Gala, Sheraton Airport Hotel, March 13th, 6-9:30 PM

  • Stewardship Saturday, Johnson Lake, March 21st, 9AM-12PM

  • Council Meeting TBD, 5:30-7:30PM


  • Russian Paddle, TBD

  • Stewardship Saturday Earth Day event, Wilkes Creek Headwaters, April 18th, 9AM-12PM

  • Council Meeting, TBD, 5:30-7:30 PM

  • Bike The Levees, TBD, April 26th, 9AM-1PM

  • Paddle Team Training Part 1, TBD, April 30th, 5:30-8:30 PM


  • Paddle Team Training Part 2, May 3rd, 9AM-2PM

  • Bat Night, Columbia Children’s Arboretum, 7:30-9:30PM

  • Stewardship Saturday, Baltimore Woods, May 9th, 10AM-1PM

  • Evening Canoe, TBD, May 22nd, 5-7:30PM

  • Council Meeting, TBD, 5:30-7:30PM


  • Cycle the Well Field, Aloft Airport Hotel, June 13th, 8:45AM -1:30PM

  • Explorando el Columbia Slough, TBD, June 27th, 1-5PM

  • Council Meeting, TBD, 5:30-7:30PM


  • Great Slough Clean-Up, Multiple sites, July 18th, 9AM-1PM

  • Council Meeting, TBD,  5:30-7:30PM

  • Moonlight Paddle, Parkrose Boat Launch, July 31st, 9-11PM


  • Columbia Slough Regatta, St Johns Landfill Canoe Landing, August 16th, 10AM-1PM

  • Bat Night, August 28th, 7:30-9:30PM

  • Council Meeting: Summer BBQ, TBD, 5:30-7:30PM


  • Aquifer Adventure, 166th & Airport Way, September 12th, 12-4PM

  • Council Meeting, TBD, 5:30-7:30PM


  • Evening Canoe, Whitaker Ponds, October 2nd, 5-7:30PM

  • Owl Prowl, Whitaker Ponds, October 16th, 7-9PM

  • Council Meeting, TBD, 5:30-7:30PM


  • Stewardship Saturday, TBD, 9AM-12PM

  • Council Meeting, TBD, 5:30-7:30PM


  • Stewardship Saturday, TBD, 9AM-12PM

  • Council Meeting, TBD, 5:30-7:30PM