Co Loa citadel is located on Co Loa commune, Dong Anh District, Hanoi. Co Loa is part of visits on a day cycling around Hanoi. Cycling on the back roads to see Co Loa citadel as well as Hanoi countryside villages. The car trip takes a half day.

Son Tay Citadel is located in Son Tay town, about 40km from Hanoi city centre. It was an ancient military rampart built with laterite. We at Golden Cycling Tours offer a couple of day trips offering you the chance to discover the ruins of Son Tay citadel, as well as its surrounding rural villages.