The Irrigon Marina boat ramp is located in Oregon and is a public boat launch facility. It is situated at latitude 45.90069962 and longitude -119.49211884. The boat ramp is made of concrete and is designed for launching small to medium-sized watercraft. It is approximately 16 feet wide and can accommodate multiple boats at once.

The Irrigon Marina boat ramp services the Columbia River, which is a large body of water that stretches from British Columbia, Canada to the Pacific Ocean. The Columbia River is one of the largest rivers in North America, and it is a popular destination for boating, fishing, and other water activities.

Various types of watercraft are permitted on the Columbia River, including fishing boats, pleasure boats, sailboats, and personal watercraft. However, it is important to note that the types of craft permitted on the water may be subject to certain restrictions and regulations, such as horsepower limitations or specific safety equipment requirements.

To ensure the accuracy of this information, it is recommended to check with local authorities or the Irrigon Marina directly for the latest updates and regulations regarding the use of the boat ramp and the Columbia River.