Road Closures and Travel Information
Expect traffic delays September 20 – 23 and September 27 – 30 on Highway 26
Environmental Services is constructing a project to replace 800 feet of large-diameter brick sewer pipes located in Highway 26 south of Washington Park. These repairs are necessary to maintain reliable sewer service and protect public health and the environment. Each weekend, work will begin on Friday at 9 pm and continue all hours, day and night, ending Monday by 5 am.
Reservoir Construction
Due to construction on the Washington Park Reservoir, expect very limited parking near the International Rose Test Garden and Portland Japanese Garden in September and October. Plan ahead and take TriMet!
General Information
Hoyt Arboretum is a free, public park and is open from 5am to 10pm daily.
The Visitor Center is open 10am to 4pm daily with exceptions. 503.865.8733
Current information for Hoyt Arboretum can be found at Plan Your Visit.