The Măcin Mountains stand for a big anticlinorium, formed by a series of complexly folded layers with multiple faults, penetrated by granite formations.  The geomorphological regions of the North Dobrudja, delimited in the south by the Peceneaga –Camena fold, have been assigend the following  units: the Macin Mountains, the Niculiţel and Tulcei Hills, the Babadag Plateau, plus, the  Casimcea Platea- according to same authors, who classify it as belonging to the Dobrudja’s  tectonic uplift. The Macin Mountains occupy the north-western part of the North Dobrudja, appearing under the form of parallel crests, NV –SE oriented, of a maximum altitude 467 m. Although of a relatively low altitude and a predominantly hilly appearance, they present especially in the granite areas, steep peaks of a alpine profile and sharp flanks with debris.

The relief is very uneven in the western, south-western, central parts and has a flatter appearance in the eastern part. 
It consists of Paleozoic formation, NV-SE- oriented, which can be found relief. The arid climate favored the development a rock debris (peaks and crests fragmented by quartzite rock in an almost vertical position; debris masses), thick weathering layer and rounded peaks(on granite rocks).

The mountains are divided centrally. The Pricopan Crest (the highest and most homogenous with rock debris relief,  Megina-Priopcea Hill (west) and Boclugea Hill (east) are separated by longitudinal valleys and depressions (Jijila, Greci, Cerna, Mircea-Voda in the west, and Luncavita and the upperTaita in nthe east).  The National Park occupies the central and the highest part of the Măcin Mountains which includes most of the main crest (Măcin Crest) and the Pricopan Crest.

The altitudes of the mountains range between 7 an 467 m (Ţuţuiatul Peak). The National Park occupies the central and the highest part of the Măcin Mountains (Măcin Crest) and a mountain ranges belonging to them (Pricopan Crest).

In terms of geomorphology, within the Park the Pricopanului Cresr can be individuated, with a typically alpine relief, represented by sharp and rocky crests reaching 370 in altitude on Suluc Summit. The disintegration process of rocks is still active; there is widespread evidence of erosion, creating a wide variety of peculiar rock formations. Crests are less prominent in the other areas of the park, but the mountain sides are still rocky and abrupt and locally covered in rock debris, mainly on the western side of Măcin Crest.