Dammgraben Altenau – Maiden Crag loop from Clausthal-Zellerfeld

Mountain biking trails

Dammgraben Altenau – Maiden Crag loop from Clausthal-Zellerfeld

Moderate

4.6

(76)

225

riders

Dammgraben Altenau – Maiden Crag loop from Clausthal-Zellerfeld

03:32

45.5km

690m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is right next to a parking lot.

Last updated: August 4, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Nationalpark Harz

Naturschutzgebiet Oberharz

Waypoints

Start point

Parking

Get Directions

4.02 km

Weppner Hut at Jägersbleeker Pond (HWN 127)

Highlight • Mountain Hut

At the eastern end of the Jägersbleeker Teich is the Weppnerhütte with stamp point 127 of the Harz hiking pin and invites you to take a rest. The dam can …

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4.36 km

Coventhaler Wasserlauf Trail

Highlight (Segment) • Trail

All paths on the Harzer Wasserregal are worth a hike or bike tour.

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6.53 km

Old Dammgraben

Highlight • Trail

This part of the dam ditch was abandoned after the construction of the Rothenberg watercourse.

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9.47 km

Sperberhai Dam Aqueduct

Highlight (Segment) • Monument

The Sperberhaier Damm is the largest aqueduct in the Upper Harz water management. With over 1,000 liters of water per second, he did not let the pits in Clausthal stand still.

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10.6 km

Großer Kolk

Lake

13.4 km

Dammgraben Altenau

Highlight • Trail

The dam ditch is the longest man-made ditch in the Upper Harz. Its purpose was to divert surface water for the operation of the Upper Harz coal and steel industry …

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15.8 km

Water Lifters and Watermen at Große Oker Sluice

Highlight • Historical Site

The work of the water worker was mainly to remove the mine water with vessels from the shaft sump. For this work always several hydrants were necessary. As a rule, …

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29.8 km

Maiden Crag

Highlight • Natural Monument

The rock is a highlight, but unfortunately no opportunity to rest and otherwise you can only look at it.

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44.7 km

Langer Teich

Highlight • Lake

A place to gather strength and unwind!

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45.5 km

End point

Parking

Way Types & Surfaces

Way Types

28.5 km

15.3 km

1.15 km

457 m

< 100 m

Surfaces

27.9 km

10.7 km

4.24 km

1.94 km

715 m

< 100 m

Elevation

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

Highest point (820 m)

Lowest point (430 m)

Weather

Wednesday 7 October

14°C

5°C

36 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

Comments

September 27, 2025,Dammgraben-Runde von Clausthal-Zellerfeld

This time it was wet and muddy, which increased the technical challenge a bit. It was great, it was fun.

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August 5, 2023,Dammgraben Altenau – Damm vom Dammgraben Runde von Altenau (Bergstadt)

As sad as it looks in the Harz Mountains, the tour was absolutely great 👍.
There was a bit of everything, including wet feet 😂

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March 15, 2025,Nebelfahrt

Frosty, foggy, but still fun with the group 😁

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March 15, 2025,#harzvirus 15.3.2025 / 37,7 km Forstwege, Trails und Wassergräben mit wenigen Hm und max S1 für Saisoneinstieg mit anschließender Einkehr

Today, Saturday, March 15, 2025, we met at the Sperberhaier Dammhaus parking lot for the Harzvirus Mountain Bike Tour. With a group of 17 enthusiastic mountain bikers, we set off into the picturesque landscape of the Harz Mountains, even though the weather was rather gloomy today 😉

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March 15, 2025,Gräben und Wurzeltour ab Dammhaus 👌🚵

instagram.com/reel/DHOqw0-MDoA/?igsh=MTQxcWY0bGlnaDB0Zw==

October 31, 2021,Dammgrabentrail komplett (längster trail D)

Well either Komoot changed something myself or I planned it myself ... and Dammgrabentrail has nothing special today due to the mostly completely missing trees 🤷🏼‍♂️

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April 2, 2023,Magdeburger Stieg - Dammgraben

This time everything was there .. Mud, roots (lots of roots) water crossings, nice fast single trails and finally a crisp increase

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May 7, 2022,Ja mei.....Es sollte doch nur Tröpfeln 🤔🌧🌧🌧

Weather app says a few drops from noon, okee I don't need rain gear🤷‍♀️Started in the sunshine, ate delicious food and drove right into the heavy rain🌧well, that's how it is sometimes🙊Nevertheless, a great tour and even the Schlüppi was wet😅

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