· From: the north. Motorway C-32 to Barcelona, exit 104 Caldes d'Estrac or National Road, between Arenys de Mar and Mataró. · From: the south. Motorway C-32 to Gerona, exit 104 Caldes d'Estrac or National Road, between Arenys de Mar and Mataró. · From: the west. Motorway C-32 to Gerona, exit 104 Caldes d'Estrac or National Road, between Arenys de Mar and Mataró.