Solec Basin

The Solec Basin is an undulating plain located within the Nida Basin, covering an area with elevations ranging from 170 to 250 meters above sea level. This region borders the Pińczów Ridge to the north and the Nida River Valley to the west and southwest. To the southeast, the basin is surrounded by the Vistula Lowland. Geologically, the area is composed of Cretaceous marls overlain by Miocene lithothamnion limestones and gypsum deposits, which favor the development of karst formations such as sinkholes, depressions, and valleys. The region is home to numerous caves, including the largest one—the Skorocice Cave, which stretches 352 meters in length and reaches a depth of 5 meters. This area is exceptionally rich in biologically valuable steppe vegetation that has survived on gypsum formations, as well as unique sulfate springs used in local health resorts like Busko-Zdrój and Solec-Zdrój. The region holds significant agricultural importance, and its landscape is not dominated by forests, making it an interesting site for natural and geological research. Several nature reserves host protected flora, further attracting tourists and nature enthusiasts.