The railway from South Eufemia to Catanzaro and Catanzaro Marina crosses the isthmus, and an ancient road may have run from Squillace to Monteleone.
Prva skupina se razširja tako daleč kot sega ožina, ki jo tvorijo zalivi Južni Eufemije in Squillace; znana kot Sila z najvišjo točko 1930 metrov (Botte Donato).