Columbia Slough boat ramp is a public access boat ramp located in Portland, Oregon. It provides access to the Columbia Slough, which is a navigable waterway that flows through the eastern part of the city. The ramp is open year-round, and there are no fees for using it.

The boat ramp at Columbia Slough measures approximately 20 feet wide and can accommodate a variety of watercraft, including power boats, kayaks, canoes, and paddleboards. However, there are some restrictions on the types of boats that can use the slough. For instance, boats with engines over 10 horsepower are not permitted, and water skiing and other high-speed activities are not allowed.

According to the latest information available, the Columbia Slough boat ramp is well-maintained and offers ample parking for vehicles and trailers. There are also restroom facilities and picnic areas nearby. Additionally, the ramp is equipped with a floating dock, making it easier to launch and retrieve boats.

Overall, the Columbia Slough boat ramp is a popular spot for boating enthusiasts in the Portland area. Its central location, easy access, and wide range of permitted watercraft make it an attractive option for anyone looking to enjoy the scenic beauty of the Columbia Slough.