The Connecticut River boat launch is located in New Hampshire, specifically at latitude 44.42635727 and longitude -71.67646027. This boat ramp is a concrete launch with a gravel parking area and is suitable for trailers. It is approximately 20 feet wide, making it suitable for launching small to medium-sized boats.

The Connecticut River boat launch services the Connecticut River, which is a major river in the northeastern United States. It flows approximately 406 miles from the Connecticut Lakes in northern New Hampshire to Long Island Sound. The river serves as a border between New Hampshire and Vermont, and it is a popular spot for recreational activities such as fishing, boating, and kayaking.

According to the latest information available, the Connecticut River boat launch permits a variety of watercraft, including motorized boats, canoes, kayaks, and paddleboards. However, it is important to note that regulations may vary depending on the time of year and local laws. It is always advisable to check with local authorities or visit the New Hampshire Fish and Game Department's website for the most up-to-date information on permitted watercraft and rules and regulations.

In summary, the Connecticut River boat launch in New Hampshire is a concrete ramp suitable for launching small to medium-sized boats. It is approximately 20 feet wide and services the Connecticut River, which allows a variety of watercraft, including motorized boats, canoes, kayaks, and paddleboards.