Big Rock Ranch was a destination on the subtram in the Coruscant Underworld. It was listed on travel maps inside the subtram trains, along with Sunset, Valley Village, North Hollywood, Beverly Blvd, Burbank, Lucasville, LAAC, Filoniville, Laurel Canyon, Coach House, Skinwalker, RGC, Letterman, Skywalker Ranch and Skinwalker Ranch.
Big Rock Ranch was inserted onto a subtram map as an in-joke by the Star Wars: The Clone Wars production team along with the other destinations on the map.