The boat ramp named Piru Canyon Road 4780, Castaic is a concrete boat ramp that is open year-round. It is approximately 30 feet wide and serves the Castaic Lake, which is a reservoir located in the northern part of Los Angeles County, California.

According to the latest information available, the body of water serviced by this boat ramp allows the use of recreational watercraft, such as motorboats, sailboats, kayaks, canoes, and paddleboards, among others. However, certain restrictions may apply, and users are advised to check with the appropriate authorities before launching their watercraft.

It is worth noting that the Piru Canyon Road 4780 boat ramp is located within the Castaic Lake State Recreation Area, which is managed by the California Department of Parks and Recreation. As such, visitors are expected to follow the park rules and regulations, including safety guidelines, speed limits, and other restrictions that may apply.