Based on the latest information available, the boat ramp named County Road 278 Stephens County in Texas is a concrete boat ramp that is located at latitude 32.83618546 and longitude -98.97606659. The boat ramp is located on Possum Kingdom Lake, which is a popular spot for fishing, boating, and other water activities.

The County Road 278 boat ramp is approximately 25 feet wide and has two lanes for launching boats. It also has a large parking area for vehicles and boat trailers. The ramp is open year-round and is maintained by the Stephens County government.

Possum Kingdom Lake is a popular destination for recreational boaters, fishermen, and water sports enthusiasts. The lake has a surface area of over 17,000 acres and is known for its clear water and scenic beauty. The lake is open to a variety of watercraft, including fishing boats, ski boats, pontoon boats, and personal watercraft.

It is important to note that regulations and restrictions may vary depending on the time of year and other factors, so it is always a good idea to check with local authorities or consult the latest boating regulations before planning a trip to the County Road 278 boat ramp on Possum Kingdom Lake.