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The City of Portland, Oregon

Portland Parks & Recreation

Healthy Parks, Healthy Portland

Phone: 503-823-7529

1120 SW Fifth Avenue, Portland, OR 97204

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1120 SW Fifth Ave., Suite 1302
Portland, Oregon 97204

503-823-PLAY (7529)

Elizabeth Kennedy-Wong, Community Engagement Manager

Ross Swanson, Planning Supervisor


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Willamette Park

Construction Update – October 11, 2017
Improvements to the park are nearly finished! We have some final work to do around regulatory and wayfinding signage for the park. Thank you for your patience.

Final Phase Improvements

  • Pedestrian and bike circulation
  • Willamette River Greenway Trail
  • Oak Tree habitat at west side of park
  • Relocated Dog Off-Leash Area
  • Park Entrance roadway and pavement
    • SW Nebraska Street
    • SW Miles Place (south Greenway access)
    • SW Riverpoint Lane (north Greenway access)


  • Wayfinding and regulatory signage at all entrances will continue through October 2017. Temporary detours along the Greenway Trail may occur during this time.
  • Special thanks to the Portland Garden Club for donating 31 ‘Eddie’s White Wonder’ Dogwood Trees to the park. They have been planted throughout the park along the Greenway Trail system.
  • Dog Off-leash Area is now open! The surfacing for the Dog Park is a porous mix of clay / sand and is intended to provide better drainage and longer use in the rainy Portland weather. It is the first of its type in the city and PP&R will be monitoring its performance throughout the year.

Portland Parks & Recreation would like to thank the Portland Water Bureau for the elegantly designed Hannah Mason Pump Station, made to fit the look and feel that Willamette Park visitors enjoy. The Hannah Mason Pump Station project added new restrooms, trail and parking lot improvements. Funds from the property transfer for the pump station were used to help fund the new dog off-leash area and entrance improvements. Click here to see photographs from the Hannah Mason Pump Station ribbon cutting from June 2017.

Construction Update – June 21, 2017
Improvements to the park are nearly finished! Thank you for your patience. Construction projects will be completed in summer 2017, after final work to upgrade park entrances and pedestrian and bike paths. Please be aware there will be temporary closures and detours in June and July.

Construction Update – October 7, 2016
Willamette Park boat ramp construction is complete. The boat ramp is now open to the public. For details on ramp dredging, click here.

Construction Update – September 26, 2016
As part of the Hannah Mason Pump Station construction project, construction will begin on a section of the Greenway Trail in the southern area of Willamette Park, beginning September 26. The trail will remain open during construction but bikes and pedestrians should proceed with caution through the construction area and obey flaggers and detour signs. Construction on the trail will continue through mid-October. The trail improvements are part of a larger project to make a list of improvements to Willamette Park.

Construction Update - August 2016
A lot of work is taking place in Willamette Park through 2018. We want you to enjoy the park, and to be prepared for impacts while the construction is taking place. Below is a map and a summary of projects and timelines.Construction is messy and inconvenient. Please be aware of workers, construction vehicles, and detours as you visit this site.

Map of Willamette Park construction
Match the black letters on the map above to the construction descriptions below
Click here to view a larger map.

A. Boat Ramp Closure and Dredging
Includes in-water maintenance work to ensure the usability of the ramp and beach to the south. This project will scour the end of the boat ramp and remove large quantities of silts/sediments that affect navigational depth to vessels approaching the ramp.

  • Boat ramp will be closed September - October 2016
  • Alternative boat ramps are located at
      • Cathedral Park, N Edison Street and Pittsburg Avenue
      • Swan Island, N Basin Avenue
      • M. James Gleason Memorial Boat Ramp, 4325 NE Marine Drive
  • Portions of the parking lot will be used for construction staging

B. Hanna Mason Pump Station
The Hannah Mason Pump Station is being constructed to replace the Fulton Pump Station, which was built in 1912. For more information on this project, please visit

Construction Impacts:

        • Trail Closures and improvements
        • South Parking lot closed
        • Tennis court parking is being used by contractors during the day but is available in the evening
        • Contractor using a portion of North Parking Lot for staging materials
        • Beaver Ave - park entrance road is closed from south end of boat parking lot to south parking lot

Willamette Park Redevelopment Plan
This plan, finalized in 2012, develops a long-term concept that incorporates short-term developments and considers opportunities and community needs, while anticipating long-range changes. The following projects are consistent with the vision developed by the community as part of that plan.

C. Dog Off Leash Area (DOLA)

        • The Redevelopment Plan relocates the Dog-Off Leash Area to the northern portion of the park, directly in front of the Nebraska Street entrance. This will be constructed and open in 2017.
        • A temporary DOLA is located just north of the boat launch parking area (see map above), until the new DOLA is constructed and open.

D. Oak Restoration

Staff are working with the Bureau of Environmental Services to improve the existing oak tree habitat on the West side of the park between Beaver Rd. and the park boundary

        • Area is being replanted to help protect oak trees and improve water quality
        • The DOLA in this area is permanently closed
        • Work on this project will begin mid-August 2016

Trails Improvements

E. The section of trail north of Nebraska Street has been widened and repaved
F. The section of trail has been widened and repaved
G. The section of trail south of Nevada Street is open.
     Widening and repaving will occur later this Fall 2016
H. Trail access from Nevada St. (OPB) is open.
     Additional work will occur in the autumn

Sports Fields

        • Sport Field #1 (central) is available for reservations and drop in use
        • Sports Field #2 (south) is available for drop in use – no irrigation

Trail Detour – Beginning the week of May 2 Section of Greenway Trail Temporarily Closed in Willamette Park - Posted April 27, 2016

As part of the Hannah Mason Pump Station construction project, a section of the Greenway Trail in the north area of Willamette Park will be closed for three weeks beginning Monday May 2. Bike and pedestrian traffic should follow detour signs and connect back to the Greenway Trail through the boat ramp parking lot in the center of Willamette Park. 

The closure is required to make improvements to the Greenway Trail within Willamette Park. Travelers are reminded to exercise caution, obey closure signs and follow detour/traffic control signs due to the busy activity in the parking lot and along the main road in the park.

To view the North Trail Detour Map, click here.

SW Nevada Street Work Nearing Completion - Posted April 27, 2016

In addition to the trail improvements in Willamette Park, construction to connect the new pump station in Willamette Park with the existing pump station on SW Nevada Street will continue through the middle of May.The work requires crews to temporarily close a portion of the street near the existing pump station during work hours, 7 a.m. to 5 p.m. Monday-Friday. Safety is our highest priority, please obey all detour signs and flaggers during construction.

Following this work, restoration of SW Nevada St. will begin in mid-May. Restoration work will include repaving, replacing sidewalks, and replanting vegetation along SW Nevada St. Click here to learn more.

Project Overview

The 2015 Willamette Park Redevelopment Project is a strategic sequence of improvements to preserve and enhance an already popular and well-used park. This project’s proposed improvements were generated from a 2012 planning process (link to plan). Improvements include:

  • developing entrances and greenway trail amenities for the park to accommodate anticipated increases in bike and pedestrian traffic as the new Tilikum and Sellwood Bridges are completed;
  • an enhanced internal circulation system with new connector trails to create more looped walks;
  • moving the dog off-leash area (DOLA) from the west edge of the park, to an open area at the north end of the park;
  • working with the Bureau of Environmental Services to improve the existing oak tree habitat;
  • removal of the southern-most playground structure, which will be replaced later, once funding is obtained;  
  • improving circulation in the southern portion of the park in the area of the new pump station; and,
  • developing the new entrance at SW Miles Place (south entry).

Project Partners

  • South Portland Neighborhood Association
  • Southwest Neighbors Inc.
  • Bureau of Environmental Services
  • Portland Water Bureau
  • Portland Bureau of Transportation
  • JLA Public Involvement

Project Managers

Project Schedule

Park Redevelopment Project

  • Schematic Design: Spring 2015
  • Design Development: Spring—Summer 2015
  • Construction Documents / Permitting: Summer—Fall 2015
  • Bidding / Contracting: Fall 2015 – Winter 2015
  • Boat Ramp Dredging/Dock Improvements – tentatively Fall 2016
  • Construction Ready: Winter 2016

Additional projects
Hannah Mason Pump Station - Future playground relocation and improvements

Project Background

Willamette Park is a 26.85-acre regional waterfront park located east of SW Macadam Avenue at Nebraska Street, along the Willamette River. The park is an important regional destination with a variety of recreational functions. In addition, the park offers un-programmed open lawn area for informal passive recreation and is a destination for cyclists on the Willamette Greenway Trail. The park is also an important component in the mosaic of habitat along the Willamette River, providing a valued greenspace experience.

In December of 2012, Portland Parks and Recreation completed a planning effort called ‘The Redevelopment and Phasing Plan for Willamette Park’. That planning process was guided by Portland Parks & Recreation (PP&R) and the community, including a Project Advisory Committee (PAC) comprised of neighbors and engaged citizens. The plan developed a design concept that incorporates short-term developments and considers opportunities and community needs while anticipating long-range changes. A project list of prioritized improvements was generated from the redevelopment plan. 

A number of projects are taking place in Willamette Park over the 2015-2016 period. Much of the work completion coincides with the opening of the new Sellwood Bridge mid-2016. 

Portland Parks & Recreation (PP&R) Redevelopment:

  • Relocate the dog off-leash area (DOLA)
    • Work is currently scheduled for spring and summer 2016;
    • Redesign three park entries.
    • Improve the western multi-use trail system;
      • These two activities will be taking place
    • Future relocation of the playground may take place at a later time.
    • Dock dredging/improvements
      • Anticipate boat dock closure for approximately one month from early September to early October 2016.
        • Alternative boat docks for use are located at Waterfront Park, Eastbank Esplanade, Sellwood Riverfront Park, Cathedral Park and Swan Island. Boat ramps are a Cathedral Park and Swan Island. For more information contact Cary Coker at 503-823-2525 or

Water Bureau (WB)

  • The construction of a new Water Bureau facility, the Hannah Mason Pump Station is underway and expected to be completed by Fall 2016.
    • For information about this project, contact Sam Beresky at JLA Public Involvement: E-mail, Phone during business hours: 503-235-5881, 24/7 Project Hotline: 503-781-8365
  • Riverbank trail

Bureau of Environmental Services (BES)

  • Oak tree habitat restoration will begin once the dog off leash area (DOLA) is relocated.
  • Site preparation and planting are scheduled for October 2015 through April 2016

Portland Bureau of Transportation (PBOT) SW Miles Place Plaza (completed)

  • Oregon Department of Transportation Sellwood Bridge construction 
    • Construction underway. Scheduled for completion mid-late 2016.
  • Tilikum Bridge opening in September 2015

2012 Willamette Park Redevelopment Plan