According to the latest information available, the boat ramp named Riverview Drive Mexican Hat in Utah is a concrete boat ramp that is approximately 10 feet wide. This boat ramp provides access to the San Juan River, which is a popular destination for fishing, boating, and other recreational activities.

The San Juan River is a 383-mile-long tributary of the Colorado River that runs through southeastern Utah and northern New Mexico. It is a popular destination for rafting and kayaking, as well as fishing for species such as trout, catfish, and bass.

As for the types of craft that are permitted on the water, the San Juan River is open to a variety of watercraft, including motorized boats, kayaks, canoes, and rafts. However, it is important to check with local authorities for any restrictions or regulations before launching your boat.

Overall, the Riverview Drive Mexican Hat boat ramp is a convenient and accessible entry point for anyone looking to explore the beautiful San Juan River in Utah.