The Lake Natoma Northern Boat Ramp is located in California at latitude 38.67995071 and longitude -121.1835022. This boat ramp is a concrete ramp that provides easy access to the water for boaters. The ramp is wide enough to accommodate multiple boats launching and retrieving at the same time.

The Lake Natoma Northern Boat Ramp services the waters of Lake Natoma, which is a reservoir on the American River. The lake is a popular destination for boating, fishing, and other water sports activities. The lake is also home to a variety of fish species, including rainbow trout, bass, and catfish.

Various types of watercraft are permitted on Lake Natoma, including motorboats, kayaks, canoes, and sailboats. However, there are specific regulations in place to ensure the safety and protection of the lake's ecosystem. For example, motorboats must adhere to a speed limit of 5 mph within 200 feet of the shore, and they are not allowed to create excessive wake that could damage the shoreline or disturb wildlife.

The information provided above is accurate as of the time of writing and is based on the latest information available. It is always recommended to check for any updates or changes in regulations before heading out to the Lake Natoma Northern Boat Ramp.