The Finn Rock Rest Area boat ramp is located in Oregon and is a concrete boat ramp. According to the latest information available, the boat ramp is approximately 20 feet wide and services the McKenzie River. This boat ramp is suitable for small boats, such as kayaks, canoes, and small motorized boats. However, it might not be appropriate for larger watercraft. It is important to note that information on boat ramp facilities can change over time, so it is always recommended to verify the latest information before using any boat ramp.