The boat ramp named Jedediah Smith Memorial Trail is located in Gold River, California. It is a concrete boat ramp that provides access to the American River. According to the latest information available, the ramp is approximately 25 feet wide and can accommodate various types of watercraft, including powerboats, kayaks, canoes, and paddleboards.

The body of water it services is the American River, which is a popular destination for recreational activities such as fishing, boating, and swimming. The American River is a major tributary of the Sacramento River, and it flows through the Sierra Nevada Mountains and the Sacramento Valley.

The Jedediah Smith Memorial Trail boat ramp is maintained by the Sacramento County Regional Parks Department, and it is open year-round. It is equipped with parking facilities, restrooms, and picnic areas. The latest information suggests that there may be some restrictions on the use of motorized watercraft during certain times of the year, so it is best to check with the park authorities for the latest regulations.

In summary, the Jedediah Smith Memorial Trail boat ramp is a concrete ramp located in Gold River, California, which provides access to the American River. It is approximately 25 feet wide and can accommodate various types of watercraft, including powerboats, kayaks, canoes, and paddleboards. The ramp is maintained by the Sacramento County Regional Parks Department and is open year-round.