All along the middle section of Marmot Rd is lots of Tansy Ragwort. It mostly starts at the Dodge Ranch and goes up along the "Devils Backbone" area, then clear across the ridge and down to Ten Eyck Rd, heading towards Sandy Oregon.
Expert Reviewer
Samuel Leininger Clackamas Soil and Water Conservation District 4-County Cooperative Weed Management Area Columbia Gorge Cooperative Weed Management Area