How many cards can be used in the board game Mountain River Journey at one time?

Three cards. According to the announcement on the official website of the board game Mountain River Journey, the game is to choose three cards as the tourist city you want to visit, and choose one card as the destination. This card cannot be seen by others. The younger party starts To play, proceed in clockwise order. The "Mountain and River Journey" board game gives students the opportunity to explore mountains, rivers, and historical sites together in the game. The game selects 49 of the most representative cities, each with its own symbols and stories.