Cafe Pho Co is a hidden gem located in the heart of Hanoi's Old Quarter. To reach the cafe, you have to climb up a narrow staircase, which opens up to a rooftop terrace with stunning views of Hoan Kiem Lake. The cafe is known for its traditional Vietnamese coffee, which is brewed using a small metal filter and served with a side of green tea. Cafe Pho Co is a perfect place to escape the hustle and bustle of the city and enjoy a peaceful cup of coffee while taking in the panoramic views of Hanoi.