, ▁and ▁Laz io ▁and ▁Ab ru z zo ▁to ▁the ▁south , ▁the ▁entire ▁eastern ▁boundary ▁being ▁formed ▁by ▁the ▁Adri atic . ▁Most ▁of ▁the ▁region ▁is ▁mountain ous ▁or ▁h illy , ▁the ▁main ▁features ▁being ▁the ▁Ap enn ine ▁chain ▁along ▁the ▁internal ▁boundary ▁and ▁an ▁extensive ▁system ▁of ▁hills ▁desc ending ▁towards ▁the ▁Adri atic . ▁With ▁the ▁sole ▁exception ▁of ▁Monte ▁V ett ore , ▁ ▁high , ▁the ▁mountains ▁do ▁not ▁exceed ▁. ▁The ▁h illy ▁area ▁covers ▁two - third s ▁of ▁the ▁region ▁and ▁is ▁interrupted ▁by ▁wide ▁g ul lies ▁with ▁numerous ▁– ▁al beit ▁short ▁– ▁rivers ▁and ▁by ▁all uv ial ▁pla ins ▁per pend icular ▁to ▁the ▁principal ▁chain . ▁The ▁parallel ▁mountain ▁ch ains ▁contain ▁deep ▁river ▁g org es , ▁the ▁best ▁known ▁being ▁those ▁of ▁the ▁Fur lo , ▁the ▁Ross a ▁and ▁the ▁F ras ass i . ▁ ▁The ▁coast al ▁area ▁is ▁ ▁long ▁and ▁is ▁relatively ▁flat ▁and ▁straight ▁except ▁for ▁the ▁h illy ▁area ▁between ▁Gab ic ce ▁and ▁P es aro ▁in ▁the ▁north , ▁and ▁the ▁eastern ▁s lop es ▁of ▁Monte ▁Con ero ▁near ▁An con a . ▁ ▁Cl imate ▁is ▁temper ate . ▁In land , ▁in ▁the ▁mountain ous ▁areas , ▁is ▁more ▁contin ental ▁with ▁cold ▁and ▁often ▁snow y ▁winter s ; ▁by ▁the ▁sea ▁is ▁more ▁med iter rane an . ▁P reci p itation ▁var ies ▁from ▁ 1 0 0 0