РусQuaternary deposits are the most widespread formations in the territory of Belarus. They had been formed during Pleistocene glaciations and cover the whole territory of the country with up to 320 m thick overburden. The standard Pleistocene and Holocene outcrops, large boulders and expressive landformes are the reference ones and form an essential part of the most scenic landscapes of Belarus. Ten most interesting nature zakazniks (protected areas with some unique nature elements without administrative authorities /Category 4 in the IUCN classification/), and monuments situated in various geological regions of Belarus are suggested to be included in the List of the most important geosites of the Middle European Lowlands. These are the territory of the landscape zakazniks which include end-morainic ridges and hills of standard morphology with a group of lakes found in the glacial valley, which is a type marginal runoff valley, and an expressive end-morainic ridge; outcrops of lake, lake-boggy and peat deposits of the Holstein; stratotype sections exposing interglacial deposits; one of three locations of Devonian dolomite known in the world; one block of the conglomerate and three largest erratic glacial boulders.