Ruins of Kollmitz Castle – Karlstein an der Thaya Castle loop from Dobersberg

Bezirk Waidhofen an der Thaya

Dobersberg

Ruins of Kollmitz Castle – Karlstein an der Thaya Castle loop from Dobersberg

Moderate

riders

Ruins of Kollmitz Castle – Karlstein an der Thaya Castle loop from Dobersberg

03:19

61.0km

900m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: August 26, 2026

Tips

Includes a segment in which cycling is not permitted

After 52.8 km for 97 m

Waypoints

Start point

Bus stop

Get Directions

29.9 km

Viewpoint

31.7 km

Bohemian Wall (Böhmische Mauer) at Kollmitz Castle

Highlight • Monument

The wall dates from the 15th century and is around 300 meters long.

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32.0 km

Ruins of Kollmitz Castle

Highlight • Castle

The castle ruins of Kollmitz, well worth seeing, are enthroned on a rock high above the Thaya. The medieval complex was once one of the most important in Lower Austria, today you can still admire meter-high walls, two round towers and ramparts.

Kollmitz Castle was first mentioned in a document in the 12th century, then it was owned by various noble families, the Geras Abbey, and was left to decay around 1800 when the roofs, attics and false ceilings were removed. Many buildings in the area were built partly from stones and shingles from the castle.

Guided tours are carried out by appointment and there is also a snack station. You can find all information at kollmitz.at.

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39.6 km

Pfaffenschlag-Aigen Former Train Station

Highlight • Structure

To the side of the former railway lines on the Thaya cycle path there are always old station buildings, often no larger than a shelter. This has been its function since the railway line was officially converted into a cycle route - they offer shelter in the rain and a possibility to rest along the way.

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47.4 km

Gravel Alley on the Thaya Bike Tour

Highlight • Cycleway

Nice gravel path. One of the few unpaved parts of the Thaya bike tour.

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48.3 km

Birkenhof Heuriger in Speisendorf

Highlight • Restaurant

Be sure to stop by the Heuriger Birkenhof when it's open!

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52.6 km

Karlstein Castle

Highlight • Castle

Starting point and end of the Grasel cycle path 1 (Karlstein).

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52.7 km

Karlstein Hiking Trailhead and Clock Plaza

Highlight • Rest Area

In this centrally located spot on the road - near the Mühlbach and the banks of the Thaya - there is a beautifully designed square that is a good starting point for hikes.

A covered hut provides shelter and seating. The map and signpost provide information about the possible routes. All of this is arranged around a large clock on the floor.

Karlstejn is known for its long history of clock making, and diagonally opposite is the clock museum.

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