Based on the latest information available, the Big Fork River boat ramp in Harrison, Minnesota is a concrete boat ramp that is 12 feet wide. It provides access to the Big Fork River, which is a popular destination for fishing and boating. The waterway is suitable for small boats, canoes, kayaks, and other non-motorized watercraft. However, motorized boats are also allowed on the river as long as they comply with the current rules and regulations, such as speed limits and noise restrictions. It is important to note that the information provided is subject to change, so it is advisable to check with the relevant authorities before planning a trip to the area.