The Wilbur Cross Highway Union boat ramp is located in Union, Connecticut and provides access to Mashapaug Lake. It is a concrete boat ramp that is approximately 20 feet wide and 40 feet long. According to the Connecticut Department of Energy and Environmental Protection, the ramp can accommodate boats up to 21 feet in length.

Mashapaug Lake is a 287-acre lake that is located within the Nipmuck State Forest. It is a popular destination for recreational activities such as fishing, boating, swimming, and hiking. The lake allows for motorized boats, but there is a 10 mph speed limit enforced.

In terms of the types of craft permitted on the water, the Connecticut Department of Energy and Environmental Protection states that all boats must be registered and have the proper safety equipment on board. Additionally, they must comply with Connecticut state boating laws and regulations.

It is important to note that the information provided is accurate as of the time of writing, but may be subject to change. It is always recommended to verify information with the relevant authorities before planning a trip to the Wilbur Cross Highway Union boat ramp or any other location.