Crater Lake lies in the caldera of an ancient volcano called Mount Mazama that collapsed 7,700 years ago. The lake is the deepest in the United States and is noted for its vivid blue color and water clarity. Wizard Island and the Phantom S... Read more >

Hoyt Arboretum is located in Portland, OR.

Hoyt Arboretum is Portland's free botanical garden, conservation lab, nature education hub, and tree museum in Washington Park.

ArbNet Accredited Arboretum – Level IV... Read more >

Leach Botanical Gardens is located in Portland, OR.

Leach Botanical Garden, located in SE Portland, Oregon.

ArbNet Accredited Arboretum – Level I... Read more >

Oregon State University Campus Arboretum (Osuca) is located in Corvallis, OR.

ArbNet Accredited Arboretum – Level II... Read more >