Timura n tefriqt ugafa sεan-t ak yiwet n tarakalt,mgaraden-t daɣen di (la topographie); imeḍqan n yilel ttabaɛent-id idurar si ttel n lzayer d latlas n lmerruk aked umur ameqran n unezruf igedlen azal n xemsa af setta 5/6 n tasna igesεan azal n xelsa imelyunen ikilumitren.
Tafriqt ugafa ɣemrent idurar n latlas di tama ugafa ataram igellan d ttadarayt gar yillel agrakal d unezruf.
Deg unzul n latlas,tanezruft tettef azal n 80% n wemkan. Gar snasel idurar d anezruft anda ad naf attas n yizuɣar i tfelaht.
Snasel idurar n latlas
Idurar n latlas meqrit attas,tfend 2400 km seg yimi n assif n sus deg unẓul-umalu n lmerruk almi d-aqerru n bun (cap Bon) d Gabès di tama ugafa n usamar n tmurt n Tunes.
Di Lmerruk latlas aɛlayen id snesla ak tameqrant deg idurar. ad naf taqicurt n tubkal tiwed ɣer 4165m di taɛli. adrar aki yebḍa d latlas alemes s yiwen n wassif umi qaṛen assif n muluya (oued moulouya) di tama ugafa n usamar,aman is ttṣubunun ɣer s-agrakal ig qerben i tmurt n lzayer.
Seg unẓul umalu yebḍa-t d-ayen assif n sus (oued sous) yettṣubun ɣer latlantik (atlantique) di tama n wenẓul Agadir.
Ɣef aken id qqaren kra irakalen (geographes) latlas n ttel yella-d si tanǧa ɣer bizert (bizerte),arnu af aya tiɣaltin n Rif igesεan azal n 2452 l mitrat di teεli seg udrar n tidiɣin (djbel tidighin) deg ugafa n lmerruk almi d krumiri (la kroumirie) yelan deg usamar n tunes. Kra irakalen (géographes) niḍen hebsent kan di temnatt yellan ɣer rrif n lebḥeṛ ar tlisa n tmurt n lzayer.
Deg unẓul n ttel, latlas a seḥrawi yella-d gar tɣaltin εlayen n lzayer (hauts plateaux) d unezruf. Yettkemil ɣer lǧiha usamar anda ad naf lures (les aures) n lzayer d udrar n cambi n tunes (djbel chambi 1544m)
Attas n yiɣezran id yekk-an seg idurar aki, kra deg-sen tsubbun yillel agrakal kra nniḍen ttruḥun ɣer unezruf .tteswen izuɣar iḍeyqen d wid yella-n arif n yillel (medjedra tunisienne,chelif algerienne) aked tɣaltin εlayen n daxel.
Di tmurt n libya izuɣar igelhan di tama n ugrakal ur ttuqtent ara, ad naf deg ugafa n umalu ayen umi neqqar s tefrensist (la tripolitaine),d ttamnat id yezgan arif n yillel, nniges anaf tɣaltin n nefusa (djbel nefousa),deg ugafa n umalu d ayen umi neqqar la (cyrenaique) d ttagruma n lewḍat d ttɣaltin (djbel akhdar) La tripolitaine d la la cyrenaique ttwabḍant s tneẓruft n sitre (sytre),taneẓruft aki tneǧbad almi latlantik (atlantique)
Taneẓruft n Sahara
Tettfed ak seḥra taɣerbit, amur ameqran n tmurt n muriṭanya , n lzayer d libya aked w-attas n temnaḍin n lmerruk d tunes. Yettkemil ɣer usamar almi d Maṣaṛ d Ssudan, seg unẓul almi ttimnaḍin n Saḥel i yellan dasuki. (tchad,niger,mali,senegal)
tannezruft ak tameqrant deg umaḍal tesεa ayen ak id yeqqimen si zman n zik ama d iẓra neɣ d iḥwiḍen n waman (tafilalet,maroc) yettwayezmen s tɣaltin (Ennedi,Tadmait,Tassili) aked kra n yidurar u bulcun yettwaεezlen (montagnes volcaniques) taqicurt ak εlayen ur tettεeday ara 3000 lmitrat (le Hoggar, deg unẓul n lzayer,Tbessi gar Libya d Tchad)
Lǧiha n yillel
Agafa n tefriqt yesεa udem n tzegzewt ɣer yillel agrakal azal n 5000km d 700km si tama n latluntik (atlantique) si (tenǧa ar agadir) deffir-is kan tella tneẓruft i yiwḍen almi d imi n tmurt n sinigal (senegal), 1500 km ɣer wenẓul.