Join us this October 5-8 for our Annual Training Conference 2025 at Portland Marriott Downtown Waterfront in Portland, OR. More details will be coming shortly.

In need of CEUs? If you're a PNW-ISA member you get access to free Arbor Chats and CEU opportunities. To view upcoming and archived Arbor Chat offerings, click here.

Find An Arborist - PNW-ISA Chapter Members receive a free listing in this monthly directory that is provided to homeowners, HOA's, businesses, etc. Have you submitted your listing? To view the current issue, click here.

JOIN NOW - BECOME A PNW-ISA CHAPTER MEMBER TODAY!

For those who are visiting our website as a guest, welcome! We encourage you to learn more about PNW-ISA and everything it has to offer. A lot of wonderful resources are available for students, individuals seeking a career change, homeowners, and individuals like our members who share a common love for TREES. To learn about membership, click here.