Chalous Road, officially known as "Road 59", is one of the most important roads for people from Tehran and Karaj, which begins in Alborz Province and goes to Chalous County in Mazandaran Province. Some consider this road as one of the most beautiful roads in the world. Chalous-Karaj Road displays a unique landscape and spectacular view. It is one of the most popular roads leading to the north of Iran. That is why the road is sometimes mobbed with passengers during holidays.