Time of the year: from spring to autumn

Duration: 4,5 hours

Length: 10 Km

From Cimirlo to Chegul

Starting from the Cimirlo pass, take path 455. Then continue on the steep path 411 where the fortified line of Sector III passed. After the demanding Gratarola section, you reach Chegul, with the stoi and emplacements looking towards the Valsugana. Having reached the Spiaz dele Sedole, take path 413, which descends towards the Fontana dei Gai and then to the Busa Granda. From here, path 455 leads back to the Cimirlo pass.

Sector III of the Fortezza covered the northern area of the Marzola, the Cimirlo pass and Mount Celva.

Find out more about the sectors of the defensive system of the "Fortress of Trento", dating back to the Great War.

Discover all the trekking routes of the Great War in Trento and surroundings.

The path

19th-century fortifications in Sector III

Roncogno Battery

  • year of construction: 1879-1880
  • typology: battery
  • ownership: public
  • open to the public: openings
  • extraordinary openings during the year
  • state of preservation: restored
  • Disarmed in 1915

Cimirlo Battery

  • year of construction: 1880-1881
  • typology: battery
  • ownership: private
  • open to the public: no
  • state of preservation: traces
  • Demolished in 1915

Railway barrier Serra

  • year of construction: 1896
  • typology: railway barrier
  • ownership: public
  • open to the public: no
  • state of preservation


Buy the complete guide of the routes between the First World War fortifications at our Info Office




4,5 hours


Difference in altitude

669 metres

Total length

10 Km

Route type

circular route

Departure altitude

745 MASL

Maximum altitude

1.343 MASL

Start point



APT Trento, Monte Bondone

Piazza Dante, 24 - 38122 Trento

Ph.: +39 0461 216000

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