Julia Pfeiffer-Burns State Park, Big Sur, California.
You likely won't be alone. This is a photography hotspot. Wait for the right light and enjoy the added bonus of capturing big waves explode against Saddle Rock if it's high tide.
I'd shot McWay Falls before in mid-day, but I always wanted to return to get it at sunset, with warm light falling on those beautiful rocks from which the cataract spills out of.