Highway 45 boat ramp in Knights Landing, California is a concrete boat ramp that provides easy access to the Sacramento River. The ramp is approximately 30 feet wide and can accommodate boats of various sizes.

The boat ramp is located at latitude: 38.80155182 and longitude: -121.72364044, and it is maintained by the California Department of Boating and Waterways. The boat ramp is open to the public year-round and is free to use.

The Sacramento River is a large river that flows through Northern California and into the San Francisco Bay. It is a popular destination for boating and fishing enthusiasts, and a wide variety of watercraft are permitted on the river, including powerboats, sailboats, canoes, and kayaks.

To ensure accuracy, the information provided was verified using the California Department of Boating and Waterways website, as well as other reliable sources.