According to the Washington Department of Fish and Wildlife, the North Harrington Road boat ramp (ID: 113600) in Richland is a concrete, single-lane ramp with a gravel parking lot. It is 12 feet wide and has a moderately steep slope. The ramp services the Columbia River, which is a large river that flows through Washington, Oregon, and several other states.

As for the craft that are permitted on the water, the Washington Department of Fish and Wildlife states that the Columbia River is open to a variety of watercraft, including powerboats, sailboats, kayaks, and canoes. However, it is important for boaters to be aware of any restrictions or rules that may apply to the area they are visiting. For example, some areas of the Columbia River may have speed limits or no-wake zones.

It is worth noting that the information provided is current as of August 2021, but it is always a good idea to double-check with local authorities or the Washington Department of Fish and Wildlife before heading out on the water. Additionally, boaters should always exercise caution and follow all safety guidelines to ensure a safe and enjoyable experience on the water.