Founded in 1928 to conserve endangered species and educate the community, Hoyt Arboretum encompasses 190 ridge-top acres and 12 miles of hiking trails just minutes from downtown Portland. Home to 2,300 species of trees and shrubs from six continents, Hoyt Arboretum is a place of beauty and serenity no matter the season.

Hoyt Arboretum’s grounds are open from 5am to 10pm daily. There is no admission fee to visit the Arboretum. The Visitor Center is located at 4000 SW Fairview Blvd, Portland, OR 97221 .

Hoyt Arboretum has four beautiful outdoor spaces close to downtown Portland available for weddings, picnics, retreats, and other events for groups up to 100 people, as well as one indoor meeting space.

High atop Washington Park in Portland, Oregon, Hoyt Arboretum is open year-round, free of charge, to everyone. Come explore our collection of over 2,300 species from around the world. Bring your family and friends, take a class or a tour, or …

There are 12 miles of trails to explore at Hoyt Arboretum! Pick up a trail map (available in English and Spanish) at the Visitor Center, or click here to download a digital version to your personal device before you arrive.

Hoyt Arboretum is a living museum, a historical landscape, an outdoor laboratory, and a curated woodland – all in one park. Just minutes from downtown Portland, the Arboretum is a unique place to hike, learn, and explore.

From the budburst of spring through summer fruit, fall’s fiery kaleidoscope and winter’s pops of color, there’s always something to see at the Arboretum. Hoyt Arboretum is home to three nationally-recognized collections.

Volunteers are the heartbeat that make nearly every Hoyt Arboretum program possible. They keep trails cleared, lead public tours and nature walks, assist visitors in the Visitor Center and on the trails, contribute to community science initiatives, and expand the herbarium.

Free public tours about Hoyt Arboretum’s global collection of trees, hiking trail system, and history are held Sundays at 11am through October. Sign up in person, day-of at the Visitor Center.

Each entry contains information (if available) on family, genus, species, common name, variety, cultivar, provenance, specific location in Hoyt Arboretum, and selected photos of the actual arboretum specimen.