Sellwood Riverfront Park boat ramp is a concrete boat ramp located in Portland, Oregon. According to the latest information available, the ramp is 20 feet wide and services the Willamette River. The park's website states that the ramp is suitable for small watercraft such as kayaks, canoes, and paddleboards. However, larger boats may also be launched from the ramp with caution. It is important to note that the park has specific rules and regulations regarding the use of the boat ramp and watercraft. Visitors are encouraged to read and follow all posted signs and guidelines to ensure safety and compliance with local laws.