Based on the latest information available, Mill Mount Trail boat ramp in Powhatan County, Virginia is a public boat ramp that provides access to the James River. The boat ramp is a concrete ramp that is 10 feet wide and has a total of 2 lanes for boats to launch from.

The boat ramp is located at coordinates 37.58892822, -77.90807343 and is open year-round, with no fees for launching boats. It is primarily used for recreational boating, including fishing, kayaking, and canoeing, and is suitable for small to medium-sized watercraft.

According to the Virginia Department of Game and Inland Fisheries, the James River is a popular destination for recreational boaters, with a variety of fish species available for anglers. The river is also home to several endangered or threatened species, including the Atlantic Sturgeon and the James Spinymussel.

In summary, Mill Mount Trail boat ramp in Powhatan County is a public boat ramp with a concrete ramp that is 10 feet wide and has 2 lanes for boats to launch from. It provides access to the James River, a popular recreational boating destination that is suitable for small to medium-sized watercraft.