Bagno Calowanie is the biggest complex of fens on Mazowsze region, which are meliorated and agricultural used. The refuge has a very rich nature, because of the diversity of habitats. Bagno Calowanie is a Site of Community Importance. The refuge is located on Mazowiecka Lowland, in Vistula valley, only several kilometers to the southern east from Warsaw. Bagno Calowanie was created on avalanche terrace of Vistula River valley and is heavily supplied with underground waters. It stretches on the stripe with width of 3 km and length of 15 km. The thickness of peat reaches 4 m. This area has been used by a human for a long time. Sedge areas were mowed every year for hay and litter. more »

There are many ways to get to Bagno Calowanie. There is a railway from Warsaw near the refuge, and choosing the station to get out on depends on which part of fens we want to visit. more »