The Doły Jasielsko-Sanockie[1] (Latin: Regio Pedemontana,[2] Jasielsko–Sanockie Valleys, Jasło and Sanok Valleys, the Jasło-Sanok Basin or Jasielsko-Sanockie Pits) is a mountain range stretching between the Wisłoka and San Rivers in the West Carpathian Plateau and Central Beskidian Piedmont in southeastern Poland.

From the tourist point of view the region of Doły (Pits) is limited from the west by the valley of Ropa River, from the east by the Wisłok and San rivers, from the south by the Low Beskids line and from the north by a Dynowskie Plateau enclosed by the route of the national road No 28 ( from Zator to the national border in Medyka) on the section between Gorlice - Grybów - Biecz - Jasło - Krosno - Rymanów - Sanok.

The highest summit on the side is Dział (678 m. high, above the sea level) in the Tabor and Czarny Potok rivers.

In general mountains of the Doły are low with gentle slopes and long ridges with a flattened tops and domed summits, and only in some places are characterized by sharp downcasts.

Important cities of this region include Biecz, Gorlice, Jasło, Krosno, Lesko, Brzozów, Jaćmierz, Rymanów, Brzozów, Jedlicze and Sanok.