The Willow Creek Boat Ramp is located in Sacramento County, California, and is managed by the Sacramento County Department of Regional Parks. This boat ramp provides access to the American River, which is a popular waterway for boating, fishing, and other recreational activities.

According to the latest information available, the Willow Creek Boat Ramp is a concrete boat ramp that is approximately 30 feet wide. It is suitable for launching small to medium-sized boats, and can accommodate a variety of watercraft including power boats, sailboats, kayaks, and canoes. The boat ramp is also equipped with a dock for loading and unloading passengers and supplies.

The American River, which is accessible from the Willow Creek Boat Ramp, is a designated State Wild and Scenic River and is home to a variety of fish species, including trout, salmon, and steelhead. The river is also popular for whitewater rafting and kayaking.

In terms of regulations, boaters should be aware that there are speed limits in effect on the American River, and that certain areas may be restricted or off-limits during certain times of the year. Boaters are encouraged to check with the Sacramento County Department of Regional Parks for the latest information on regulations and restrictions before launching from the Willow Creek Boat Ramp.