The Pacific Northwest Chapter of the International Society of Arboriculture is hosting the Boise Tree Climbing Competition at Ann Morrison Park in Boise, Idaho, on Saturday, May 3, 2025. The Masters Challenge will take place on Sunday, May 4, from 9 AM to 12 PM. Climbers of all skill levels are invited to compete in various events and win prizes.

Learn more, or sign up to compete, sponsor, or volunteer here: https://pnwisa.org/page/boisetcc.