The paper considers a problem of classifying Sentinel-2 multispectral satellite images for environmental monitoring of the Baikal Natural Territory (BNT). The specificity of the BNT required the creation of a new set of 12 classes. which takes into account current problems. The set was formed in such a way that the areas corresponding to these classes completely covered the BNT. https://toyscyclers.shop/product-category/tops/