When Sapa suddenly blew up on social media — with misty mountains, cable cars disappearing into the clouds, and people calling it the “Europe of Asia” — it instantly made its way to our travel bucket list. So when seat sales and matching schedules finally aligned, we packed our sweaters, booked our Klook tickets, and set off for a five-day Northern Vietnam adventure — chasing mountain views, cozy weather, and bowls of steaming pho.