The boat ramp named Southwest US Highway 27 Columbia County in Florida is a public boat ramp located at latitude 29.84410095 and longitude -82.63088226. It is a single lane concrete ramp that is approximately 30 feet wide and can accommodate boats of varying sizes. The boat ramp provides access to Lake Alto, which is a 573-acre lake located in the northern part of Alachua County. The lake is known for its excellent fishing opportunities, and it is popular among anglers for its largemouth bass, bluegill, and catfish.

According to the latest information available, the boat ramp is open to the public and is free to use. The ramp is suitable for small to medium-sized boats, including bass boats, jon boats, and pontoon boats. However, the use of jet skis and other personal watercraft is not permitted on the lake. Boaters are advised to check local regulations and safety guidelines before using the boat ramp, and to ensure that their boats are properly registered and equipped with all required safety gear.

Overall, the Southwest US Highway 27 Columbia County boat ramp is a convenient and accessible spot for boaters looking to explore the beautiful Lake Alto in Florida.