The preliminary characteristic of hanging peat bog on the north-eastern slope of Mt Szeroki Wierch (Western Bieszczady Mts) with particular emphasis on properties and typology of the peaty soils was the main aim of the study. Genesis of the hanging peat bog is described basing on comparison with present and historical researches and the results of the studies. Laboratory analysis included: ash content, soil pH, the degree of decomposition of peat material and the content of total carbon and nitrogen. Radiocarbon dating of two samples was made.