The boat ramp named Columbia Plateau Trail State Park Franklin County is a concrete boat ramp located in Washington. It is 20 feet wide and services the Snake River. According to the latest information available, the kind of craft permitted on the water includes powerboats, sailboats, kayaks, canoes, and other small watercraft. It is important to note that regulations and restrictions may vary depending on the season and current conditions, so it is recommended to check with the local authorities before embarking on any water activities. Get driving directions.