The boat ramp named US 89 Park County in Montana is a concrete boat ramp that is suitable for launching and retrieving small boats and watercraft. It is approximately 12 feet wide and has a gentle slope that makes it easy to use.

This boat ramp services the Yellowstone River, which is a popular destination for fishing and boating enthusiasts in Montana. The Yellowstone River is a large river that spans across several states, including Montana, Wyoming, and North Dakota.

According to the latest information available, the US 89 Park County boat ramp permits the use of motorized and non-motorized boats, as well as kayaks and canoes. However, it is important to note that boaters should always check with the local authorities to ensure that they are adhering to any specific regulations or restrictions that may be in place.