It lies south-west and north-east from Dubova, between Ogradena Valley and Ogașul Turcului. In this area the Danube covers the narrowest and the most grandiose part of Danube Gorge and Dubova Docks, The Large Gorge being separated from The Small Gorge by the Dubova Basin.

The Danube Gorges refers to the section between the mouths of Plavisevița River (south) and Ogradena River (north), forming a well individualized geomorphological unit. Dubova Docks split Danube Gorges into The Small Gorge and The Large Gorge.

The Large Gorge of the Danube lies between Dubova docks and Plavisevița, has a length of 3,8 km and a width of 200-350 m, consists of Ciucarul Mare Hill (318 m), whose sharps walls border the left side of the river and Știrbatul Mare Hill (768 m) located in Serbia.

The Large and The Small Gorges are separated by a semicircular bay, Dubova Docks.

The Small Gorge of the Danube, 3,6 km long and 150-350 m wide, lies between Dubova Docks and Ogradena and consist of Ciucarul Mic Hill (313 m) and Stirbatul Mic Hill (626 m) located in Serbia.

The Danube Gorges area has a well represented karst topography, both by exokarstic forms (clints, sinkholes, uvale) and endokarstic forms (caves, potholes).