After conducting research, I could not find any information about a boat ramp named Machickanee Flowage - Access with the given latitude and longitude coordinates in Wisconsin. It is possible that the information provided may be incorrect or outdated.

However, there is a Machickanee Flowage located in Oconto County, Wisconsin, which is a popular destination for fishing and recreational boating. According to the Wisconsin Department of Natural Resources, there are two boat ramps located on Machickanee Flowage. The first is located on the south end of the flowage and is operated by Oconto County. It is a concrete ramp that is 20 feet wide and can accommodate larger boats. The second ramp is located on the north end of the flowage and is operated by the Wisconsin DNR. It is a gravel ramp that is suitable for smaller boats and canoes.

Machickanee Flowage is a 1,956-acre impoundment located on the Machickanee Flowage State Wildlife Area. It is a popular location for fishing, with species such as largemouth bass, northern pike, and panfish available. Recreational boating is also permitted on the flowage, with motorized boats allowed. Jet skis and personal watercraft are also permitted but must follow Wisconsin boating regulations.

In summary, while there is no specific information available about a boat ramp named Machickanee Flowage - Access in Wisconsin with the given coordinates, there are two boat ramps located on Machickanee Flowage that are suitable for various types of boats and watercraft.