Ripplebrook is an unincorporated community in Clackamas County, Oregon, United States. It is located at the eastern terminus of Oregon Route 224, at an intersection with forest highways 46 and 57, in the Mount Hood National Forest. It is near the confluence of the Clackamas River with the Oak Grove Fork Clackamas River, and is the only community on the route between Estacada and Detroit. Ripplebrook Ranger Station (aka Ripplebrook Guard Station) is located there.