"Honest Tree Care Rooted in Science" Gorge Tree Surgeon is a local tree care company in the Central Columbia River Gorge. We strive and focus on implementing the latest industry standards and scientific understandings of trees. We are a well rounded arborist company that can do it all: Tree Climbing, Pruning, Removal, Auto-cad Based Landscape Design, Tree Risk Assessment, Horticulture Consultation and more.