The Rock Creek Recreation Site boat ramp is located in Oregon at latitude 45.56856981200008 and longitude -120.40205596699997. This boat ramp is specifically designed for motorized and non-motorized boats. The width of the boat ramp is not specified in the latest information available, but it is expected to be wide enough to accommodate most types of watercraft.

The boat ramp at Rock Creek Recreation Site provides access to the John Day River, which is a popular destination for boating enthusiasts. The John Day River is known for its scenic beauty and offers a variety of opportunities for outdoor recreation.

According to the latest information available, this boat ramp is suitable for a range of watercraft, including motorized boats, canoes, and kayaks. However, it is important to note that specific restrictions may apply, depending on the size and type of watercraft.

In conclusion, the Rock Creek Recreation Site boat ramp is a versatile and accessible facility that offers boating enthusiasts a convenient way to access the John Day River in Oregon. While the width of the ramp is not specified in the latest information available, it is expected to be wide enough to accommodate most types of watercraft, and a range of craft are permitted on the water.