Find Posts By Topic

Construction of Loop Trail in the Washington Park Arboretum begins

Community encouraged to visit and sign up for construction updates

Seattle Parks and Recreation and partners, University of Washington Botanic Gardens and the Arboretum Foundation, are happy to announce the beginning of construction of the Arboretum Loop Trail. The  1.2-mile trail will connect to Arboretum Drive and create a 2.5-mile loop path through the Washington Park Arboretum, providing improved access to the flagship public garden. Seattle Parks and Recreation awarded the construction contract for the paved, multi-use Arboretum Loop Trail to Ohno Construction

The Arboretum will remain free and open to the public throughout construction. Safety for visitors, contractors, volunteers and staff is the top priority during construction of the Arboretum Loop Trail. We may temporarily close or reroute some trails when work is taking place nearby. To receive meeting notification and construction updates please visit

In June 2013, City Council approved $7.8 million from WSDOT to fund the implementation of the Arboretum Loop Trail. The project, originally outlined in the Arboretum’s 2001 Master Plan, is part of the required mitigation for the replacement of the SR 520 Bridge. It fulfills the Master Plan’s three primary goals: conservation, recreation and education. It will also improve safety for pedestrians and bicyclists visiting the Arboretum. Additionally, the project restores portions of Arboretum Creek and nearby wetlands.

Construction is scheduled to be completed in December 2017.

For more information about the project visit: If you have questions email or contact project manager Garrett Farrell at or 233-7921.