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Natural Monuments

Castelloni di San Marco

Natural Monuments

Castelloni di San Marco

Highlight • Natural Monument

Castelloni di San Marco

Name: Castelloni di San Marco
Rating: 2

Recommended by 47 hikers

This Highlight is in a protected area

Please check local regulations for: SIC Altopiano dei Sette Comuni

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Location: Asiago, Vicenza, Veneto, Italy

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Best Hikes to Castelloni di San Marco

4.7

(83)

372

hikers

1. Castelloni di San Marco natural castle trail (CAI 845)

7.39km

02:59

300m

Navigate a natural limestone castle with numbered passages, secret chambers, and Valsugana valley views.

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Intermediate

2. Castelloni di San Marco natural castle trail

12.7km

05:14

610m

Explore a natural limestone castle with numbered passages, caves, and wartime history above Valsugana valley.

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Expert

4.7

(82)

373

hikers

3. Castelloni di San Marco – Malga Fossetta loop from Bislonghi

7.95km

03:10

300m

Intermediate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Intermediate

Tips

A. 🐺

February 2, 2023

A stunning and adventurous natural labyrinth, shaped over millions of years by the action of water on the karst rock, creating caves, tunnels, crevices, passages, and canyons! It is a veritable "natural castle," with rooms, corridors, and secret passages, perched atop a hill along the edge of the Valsugana valley: hence the name "Castelloni"; "San Marco" because it is close to the former border between the Republic of San Marco (Venice) and the Habsburg Empire.

During World War I, given its proximity to the Ortigara front, it was adapted by Italian soldiers as a second line of defense and observation post. Spectacular views of the Valsugana valley and the Lagorai mountains are offered.

The trail is well marked with progressive numbers from 1 to 48: we recommend following them for a complete visit and to avoid getting lost, avoiding dangerous off-piste routes over the precipice. Caution and caution: the rock can be slippery when wet and humid.

Translated by Google •

Jacopo Fochesato 🥾🏔️🌄

November 4, 2024

Spectacular labyrinth, worth a visit and I assure you it will remain etched in your mind. A succession of ups and downs, narrow walls, passages between narrow rocks, panoramic points, ladders. I think one of the most beautiful labyrinth routes in the area 😍🤩

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Elevation 1,800 m

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Monday 27 October

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Max wind speed: 5.0 km/h

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Location: Asiago, Vicenza, Veneto, Italy

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Castelloni di San Marco

1. Castelloni di San Marco natural castle trail (CAI 845)

2. Castelloni di San Marco natural castle trail

3. Castelloni di San Marco – Malga Fossetta loop from Bislonghi

Other Popular Places to Check Out

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