The Critical Area Driving Tour boat ramp located in Prince George's County, Maryland is a public boat ramp that provides access to the Patuxent River. It is a concrete boat ramp that is approximately 20 feet wide and has a gentle slope for easy launching and retrieval of boats. The ramp is also equipped with a dock for loading and unloading passengers and supplies.

According to the Maryland Department of Natural Resources, the Patuxent River is a tidal river that spans over 110 miles and is home to a variety of fish species including largemouth bass, blue catfish, and striped bass. The river is also popular for recreational activities such as boating, fishing, and kayaking.

The Critical Area Driving Tour boat ramp is open to a variety of watercraft such as powerboats, kayaks, canoes, and sailboats. However, it is important to note that there may be restrictions or regulations in place depending on the time of year and type of watercraft being used. It is recommended to check with local authorities or the Maryland Department of Natural Resources for the latest information on usage regulations.

In conclusion, the Critical Area Driving Tour boat ramp located in Prince George's County, Maryland is a public boat ramp that provides access to the Patuxent River. It is a concrete ramp that is approximately 20 feet wide and is open to a variety of watercraft such as powerboats, kayaks, canoes, and sailboats.