Clackamette Boat Ramp Wave is a small, playful feature that forms right at the foot of the boat ramp where the Clackamas River meets the Willamette near Portland, Oregon. It's beginner-friendly and forgiving, but genuinely fickle—both river flow in cfs and the Willamette's tidal push shape whether it's working on a given day. The trick locals use is timing it: aim to show up as the tide is pushing high, since that's when the wave lines up best. It's a low-key, year-round spot worth checking on your way past rather than planning a special trip around.