muehlbacher klause
muehlbacher klause

Rio Pusteria Fortress

Explore the Habsburg fortress and customs post at the gateway to the Val Pusteria valley

In Rio di Pusteria, at the entrance to the Pusteria Valley, stands an impressive fortress whose history dates back to the 13th century. This location once marked the border between the counties of Gorizia and Tyrol, necessitating the construction of a border fortress. This "Old Fortress" or Meinhardine Fortress served as a customs post for the transport of goods.

It was situated 600 metres west of the present-day structure. The "New Fortress", or Sigmundine Fortress, was built in the 15th century. Following a flood in the 18th century, several parts of the building were destroyed. The remainder of the Rio Pusteria Fortress (Mühlbacher Klause) survived but fell into disrepair when the complex ceased to function as a fortress and customs post. Today, the complex consists of a round tower, underscoring its defensive character, a curtain wall over a metre thick, a guardhouse, and the so-called "Residence" with supply and weapons stores.

Anyone wishing to pass through had to go through the gate tower, whose passageway was equipped with embrasures. The Rio Pusteria Fortress Association restored the complex in collaboration with the province, the Department for the Preservation of Historic Monuments, the Cassa di Risparmio Foundation, and the municipality of Rio di Pusteria.

Today, it is once again open to visitors. How to get there: You can reach the Rio Pusteria Fortress directly via the Val Pusteria state road, where parking is available. The Val Pusteria Cycle Path between San Candido, Brunico, and Fortezza also passes by here.

Contact info

Opening times

  • Wed 26 Mar closed
  • Thu 27 Mar closed
  • Fri 28 Mar closed
  • Sat 29 Mar closed
  • Sun 30 Mar closed
  • Mon 31 Mar closed
  • Tue 01 Apr closed

Despite careful control we cannot guarantee the correctness of the provided data.

Full timetables
Despite careful control we cannot guarantee the correctness of the provided data.

Additional opening 2025 (22/05/2025) 09:30 - 11:00 14:30 - 16:00

Guided fortress tours - summer 2025 (05/06/2025 - 11/09/2025)

  • Mon closed
  • Tue closed
  • Wed closed
  • Thu 09:30 - 11:00 14:30 - 16:00
  • Fri closed
  • Sat closed
  • Sun closed

Guided fortress tours - autumn 2025 (18/09/2025 - 16/10/2025)

  • Mon closed
  • Tue closed
  • Wed closed
  • Thu 09:30 - 11:00 14:30 - 16:00
  • Fri closed
  • Sat closed
  • Sun closed

Admission

€ 3.50 adults
€ 3.50 young people (12-18 years)

to pay in cash on site

free for children under 12 years
free with the Almencard

More information

The Rio Pusteria Fortress stays open to visitors every year from June to October on Thursdays with guided tours offered at 9.30 am, 10.45 am, 2.30 pm, and 3.45 pm in German and Italian language.

No registration is required. Further visiting times are possible on request. There are no tours during inclement weather - any changes will be posted at the fortress entrance.

Season start 2025 on June 5 (furthermore additional opening on May 22).

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