Sandomierz Wilderness is one of the biggest forests in southern Poland, which covers large parts of the Sandomierz Basin

Sandomierz Basin

Sandomierz Basin is a lowland, located in southeastern Poland, between the Lesser Poland Upland, Lublin Upland and the Western Carpathians. Its name comes from the historical city of Sandomierz and the basin has a triangular shape with the size of around It is drained by the Vistula River and its...

. Its name comes from the historical city of Sandomierz

Sandomierz

Sandomierz is a city in south-eastern Poland with 25,714 inhabitants . Situated in the Świętokrzyskie Voivodeship , previously in Tarnobrzeg Voivodeship . It is the capital of Sandomierz County . Sandomierz is known for its Old Town, a major tourist attraction...

, and in the Middle Ages the wilderness' eastern edge created natural border between Lesser Poland

Lesser Poland

Lesser Poland is one of the historical regions of Poland, with its capital in the city of Kraków. It forms the southeastern corner of the country, and should not be confused with the modern Lesser Poland Voivodeship, which covers only a small, southern part of Lesser Poland...

 and Red Ruthenia

Red Ruthenia

Red Ruthenia is the name used since medieval times to refer to the area known as Eastern Galicia prior to World War I; first mentioned in Polish historic chronicles in the 1321, as Ruthenia Rubra or Ruthenian Voivodeship .Ethnographers explain that the term was applied from the...

.

The wilderness sprawls from Tarnobrzeg

Tarnobrzeg

Tarnobrzeg is a city in south-eastern Poland, on the east bank of the river Vistula, with 49,419 inhabitants, as of December 31, 2009. Situated in the Subcarpathian Voivodeship since 1999, it had previously been the capital of Tarnobrzeg Voivodeship...

 in the north, to outskirts of Rzeszów

Rzeszów

Rzeszów is a city in southeastern Poland with a population of 179,455 in 2010. It is located on both sides of the Wisłok River, in the heartland of the Sandomierska Valley...

 in the south. Historically, it spread from Kraków

Kraków

Kraków also Krakow, or Cracow , is the second largest and one of the oldest cities in Poland. Situated on the Vistula River in the Lesser Poland region, the city dates back to the 7th century. Kraków has traditionally been one of the leading centres of Polish academic, cultural, and artistic life...

 to Lwów, and until today it is regarded as one of the wildest forested areas of Poland. Among animals living there, one can find various birds, deer, wild pigs, moles, foxes, wolves, snakes, various spiders and insects. The area of the wilderness is 129 115,6 hectares, and it is made mostly of pines.