Logistics: paid parking spaces (0,30 euro an hour) for cars and buses near the Montasio shelter
Level of difficulty: for tourists (green ring), for excursionists (blue and red ring) along marked paths
Difference in altitude: 292 metres (total)
Length: 5,9 kilometres (total)
Duration of the excursion: from 1 to 3 hours depending on the chosen area of the visit
Equipment: clothes and shoes suitable for mountain walking, spare clothes, a good supply of food and water a torch to visit the tunnels. It is advisable to be in good physical shape for the blue and red rings.