Top Knot Rooftop Bar & Restaurant is a highly-rated rooftop bar and restaurant located within Hotel Once. The establishment offers a romantic dining experience with its 360-degree unobstructed views of the city and riverside. Top Knot Rooftop Bar & Restaurant Rating: Google 4.8 stars. The restaurant is situated on the hotel’s top floor, featuring a relaxed and elegant atmosphere with modern and comfortable decor. Whether you’re enjoying the sunset or the enchanting Bangkok nightscape, this is an excellent spot for couples’ dates or celebrating special anniversaries. Top Knot offers creative dishes that blend Thai and international flavors, and it is also renowned for its exquisite cocktails. The menu features a wide variety of options to satisfy different palates, allowing you to enjoy a delightful evening amidst beautiful scenery and delicious food. The restaurant is located within Hotel Once Bangkok, near the Asiatique riverside night market. You can take the BTS to Saphan Taksin station and then take a taxi or Grab for convenient transportation. Check out Top Knot Rooftop Bar & Restaurant reservations, prices, and promotions immediately below!