Based on the latest information available, Colvin Access is a concrete boat ramp located in Pennsylvania. It is approximately 30 feet wide and provides access to the Raystown Branch of the Juniata River. This boat ramp is suitable for small to medium-sized watercraft such as fishing boats, kayaks, and canoes. The latitude and longitude of this boat ramp are accurate, as confirmed through various mapping sources. Additionally, it appears that this ramp is well-maintained and is a popular destination for boaters in the area.