Kajabach Valley – View of Hardegg Castle loop from Ruine Kaja

Hiking trails & Routes

Kajabach Valley – View of Hardegg Castle loop from Ruine Kaja

Moderate

4.9

(37)

154

hikers

Kajabach Valley – View of Hardegg Castle loop from Ruine Kaja

04:38

15.2km

340m

Hiking

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required. The starting point of the route is right next to a parking lot.

Last updated: October 14, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Nationalpark Thayatal

Národní park Podyjí

Waypoints

Start point

Parking

Get Directions

264 m

Kaja Castle Ruins

Highlight • Castle

Relatively well-preserved castle ruins. Definitely worth a detour if you are hiking through the Kajatal from the Thaya up towards Merkersdorf. It is not always open though.

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412 m

Kajabach Valley

Highlight (Segment) • Gorge

This trail leads into the wild and romantic Kajabachtal around the ruin Kaja. In spring colorful spring flowers line the brook, in summer the canyon covered with ferns and mosses …

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5.68 km

View of Hardegg Castle and the Thaya Valley

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Super nice view with a small bench!

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6.96 km

Thaya Bridge Hardegg–Čížov and Historic Customs Houses

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The Thayabrücke Hardegg-Čížov is a pedestrian and bicycle bridge. The Iron Curtain used to run here.

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6.97 km

Thaya River Border Crossing Bridge (Thayatal National Park)

Highlight • Bridge

Don't forget your passport when hiking to the Czech Republic! A place steeped in history that brings back memories of terrible personal fates! We met a man whose family was …

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7.36 km

View of Hardegg Castle

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The hike from the Nature House to the Hermitage to Hardegg, over the bridge a round in the CZ, then on the summit cross in Hardegg, we have often gone …

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8.82 km

View of Hardegg and Hardegg Castle

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Fantastic view of the smallest town in Austria - Hardegg. There are also extensive panels about the history of the castle and town, a history book...

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15.2 km

End point

Parking

Way Types & Surfaces

Way Types

8.30 km

3.56 km

2.77 km

499 m

< 100 m

Surfaces

12.5 km

1.92 km

340 m

287 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (430 m)

Lowest point (280 m)

Weather

Tuesday 20 October

20°C

6°C

-- %

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Comments

March 18, 2023,AT | Nationalpark Thayatal und Burg Kaja

Hiking tour through the Thayatal National Park - this time on the Austrian side 🏞 🦫

• Starting point: Hardegg (car park) or Hardegg Burg (bus stop)
• Destinations: Hardegg Castle, Kaja Castle, various vantage points in the National Park (e.g. Henner, Überstieg)
• End point: Hardegg (car park) or Hardegg Burg (bus stop)
• Publicly available: Yes. However, the …

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June 19, 2024,🇦🇹 NP Thayatal - Einsiedlerweg und Thayatalweg

The summer heat (30°C) lured us into the forest today. From the National Park House we went along the Einsiedlerweg to Hardegg and over the Thaya Bridge to the Czech Republic to the Narodni Park Podyji. Along the Thaya you could see remains (bunkers) from the time of the Iron Curtain - it's nice that nowadays, thanks to the Schengen …

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October 16, 2021,Hardegg - Merkersdorf - Runde

Nice round, first along the Thaya, then over the ruins of Kaja to Merkersdorf. from there you go back along the road to Hardegg.

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July 27, 2024,Top 👍 Wunderschön Nationalpark Thayatal 🥰

A gem and a small national park northwest of Vienna in Hardegg. The Thaya Valley is a border area between the Czech Republic 🇨🇿 and Austria 🇦🇹.
Hardegg offers many motifs and views.
You climb up and down along the river. Untouched nature and beguiling scents with lots of peace and the sound of nature. 🥰

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