According to the latest information available, Rock Lake - Ferry Park Landing Access is a public boat ramp located in Jefferson County, Wisconsin. It is situated at latitude 43.08851624 and longitude -88.93543243.

The boat ramp at Rock Lake - Ferry Park Landing Access is a concrete ramp that provides access to the water for boats and other watercraft. The ramp is wide enough to accommodate multiple boats at once, allowing for quick and easy launching and retrieval.

Rock Lake - Ferry Park Landing Access services Rock Lake, a popular recreational destination for boating, fishing, and other water activities. The lake covers approximately 1,317 acres and has a maximum depth of 57 feet.

A variety of watercraft are permitted on Rock Lake, including motorized boats, kayaks, canoes, and paddleboards. However, certain restrictions and regulations may apply, such as speed limits and restrictions on wake-producing activities in certain areas of the lake.

Overall, the Rock Lake - Ferry Park Landing Access boat ramp provides convenient and reliable access to this popular Wisconsin lake, allowing visitors to enjoy all the recreational opportunities it has to offer.