The Pacific Northwest chapter of the International Society of Arboriculture hosts an annual regional tree climbing competition in a Portland park, where arborists can compete for the chance to showcase their skills at a national and international level. This year, 35 climbers will compete in the five events to showcase their skills as arborists over two days.

Terry Flanagan is the chair of the Tree Climbing Competition Committee at the PNWISA. He competed in his first tree climbing competition in 1981 and has been working in arboriculture for 49 years. Kyle Thomas is the regional coordinator for the tree climbing competition, as well as the operations supervisor for the Urban Forestry Division of Portland Parks and Recreation. They both join us to share more ahead of the upcoming competition in Portland, which will take place June 6 and 7 at Farragut Park.

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News Source : https://www.opb.org/article/2026/06/02/think-out-loud-pnw-tree-climbing-competition-portland-oregon/