During carrying the Project entitled: "Detail evaluation of natural radioactive contamination areas in northwestern Viet Nam in order to inform the provincial People's Committee for planning and implementing necessary actions to minimize the negative effects on the human health", the authors have discovered some new environmental radioactive anomalies. In which, the Chau Que Thuong anomaly was detected in an area, where was considered to have medium-low values of radioactivity (25uR/h), and this area was prepared for resettlement of the people due to the Lao Cai - Noi Bai highway construction.