There could be quite a queue if you come during lunch time especially during the weekends or public holidays. We’ve placed our reservation for 2 pax, and the restaurant staff will call once they’re available. Do note that you need to specify if you would like to have a seat next to the river. In total, we’ve waited for 35 minutes, which is not too long of a wait.
Seated next to the river was really soothing, and you get to enjoy serene atmosphere and the sound of the river flow.
There’s actually some stairs to go down next to the river which is awesome.