The parallel mountain chains contain deep river gorges, the best known being those of the Furlo, the Rossa and the Frasassi.
After defending the cities of Pesaro and Fano where before the arrival of the regiment "the Germans were raiding, sacking the country around Imola, terrorising the inhabitants", the regiment assured the defence of the Gola del Furlo with cannons and artillery, preventing all enemy passage.