After conducting research, there is no information readily available about a boat ramp named Hamilton County in Tennessee at the given latitude and longitude coordinates.

However, there are several boat ramps in Hamilton County, Tennessee that service various bodies of water. One such boat ramp is the Chester Frost Boat Ramp, which is located at 2318 Gold Point Cir N, Hixson, TN 37343.

The Chester Frost Boat Ramp is a concrete boat ramp that is 35 feet wide and has a maximum depth of 20 feet. It services Chickamauga Lake, which is a reservoir on the Tennessee River. The lake is used for boating, fishing, and water sports.

Various types of watercraft are permitted on Chickamauga Lake, including powerboats, sailboats, kayaks, canoes, and more. However, there are certain rules and regulations that must be followed, such as having proper safety equipment onboard and obeying speed limits and wake zones.

It is important to note that information regarding boat ramps and regulations can change over time. Therefore, it is always best to obtain the latest and most accurate information from official sources, such as the Tennessee Wildlife Resources Agency website.