According to the latest information available, the Lake Wisconsin boat ramp located at the end of Tipperary Point in the Town of Dekorra, Wisconsin, is a concrete boat ramp that is open year-round. It is approximately 15 feet wide and can accommodate small to medium-sized boats. The ramp provides access to Lake Wisconsin, which is a 9,200-acre lake located in Columbia and Sauk Counties. The lake is a popular destination for fishing, boating, and other water recreation activities.

The Wisconsin Department of Natural Resources states that all types of motorized and non-motorized watercraft are permitted on Lake Wisconsin, including pontoons, jet skis, and fishing boats. However, there are certain rules and regulations that must be followed, such as having proper safety equipment on board and adhering to speed limits and no-wake zones.

Overall, the Lake Wisconsin boat ramp at Tipperary Point is a convenient and accessible launch point for those looking to enjoy the recreational opportunities offered by this beautiful lake in Wisconsin.