A crop mask was prepared in support to naturebased solutions (NBS) indicator monitoring inThanh Chuong district of Viet Nam. The crop maskwas based on the land cover map prepared using amodified 2019 national land cover legends from the department of agriculture and rural development (DARD). The legend was used for classifying Sentinel 1, 2 and Planet imageries toobtain land cover at 5m spatial resolution.