Madagui Chain-bridge was built in 2003 with the length is 120m over Da Huoai river. It's interseting for raft floating along the stream. In this area, Ma ethnics (about 30,000 people) live in the middle and upper of Dong Nai river, along Đạ Đơng river, between the highlands: Bao Loc, Di Linh, Lam Dong province.