Wolfswarte – Clausthaler Flutgraben Trail loop from NSG Bergwiesen bei St. Andreasberg

Mountain biking trails

Wolfswarte – Clausthaler Flutgraben Trail loop from NSG Bergwiesen bei St. Andreasberg

Moderate

4.8

(48)

187

riders

Wolfswarte – Clausthaler Flutgraben Trail loop from NSG Bergwiesen bei St. Andreasberg

04:06

52.0km

890m

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

Waypoints

Start point

Parking

Get Directions

756 m

Kienrauchshütte

Forest

4.90 km

Sargtal

Forest

21.2 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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23.6 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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24.2 km

Iron Spring

Highlight • Natural Monument

Nice rusty brown water flows out of the iron source from a pipe and after a few meters the soup runs into the clear water of the dam. Somehow bizarre …

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26.5 km

Großer Kolk

Lake

27.8 km

Viewpoint

28.8 km

Morgenbrodshütte Graben Trail

Highlight (Segment) • Trail

Nice, somewhat hidden trail on the big weir. Driving along the Graben is very relaxed, especially in the direction of the slight incline.

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40.2 km

Wolfswarte

Highlight • Summit

The highest mountain in Lower Saxony, the Wurmberg, is known beyond the state's borders. As is so often the case, however, the runner-up is in the shadow of the limelight. …

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41.3 km

Clausthaler Flutgraben Trail (Northern Section)

Highlight (Segment) • Trail

Flat single trail along the flood ditch, no challenge to drive but through a beautiful area.

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42.7 km

Clausthaler Flutgraben Trail (Southern Section)

Highlight (Segment) • Trail

Beautiful path along the dike

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49.3 km

Sonnenberger Graben singletrack

Highlight (Segment) • Trail

Barely towel width and peppered with many solid stones, in addition to a constantly changing pleasant slope, left the water, right a slope: Just an incredibly awesome trail where you …

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52.0 km

End point

Parking

Way Types & Surfaces

Way Types

31.0 km

19.7 km

894 m

266 m

186 m

< 100 m

Surfaces

35.3 km

11.9 km

2.65 km

1.96 km

236 m

< 100 m

Elevation

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

Highest point (900 m)

Lowest point (560 m)

Weather

Friday 9 October

12°C

6°C

52 %

Additional weather tips

Max wind speed: 21.0 km/h

to get more detailed weather forecasts along your route

Comments

August 21, 2022,Wo der Wolf heult neben dem Wasserregal

It was supposed to be a leisurely tour. Along the dam ditches.
Which are really worth seeing and when you ski down several in a row, have their charm in their diversity.
Which, however, you have to open up to yourself.

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May 26, 2022,HarzKlub-Goslar-Tour (6) 2022 "Der Sonnenberg grüßt" Trail-Tour Oberharz

At the 6th Harzklub Goslar MTB tour we were again in a larger group. A total of 18 mountain bikers had a great day and a varied tour.

The day didn't start that promising. The journey by car began in Goslar in sunshine and ended at Sonnenberg, the starting point of the tour, in dense, wet fog. 🙈😊 But then …

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May 26, 2022,"Der Sonnenberg grüßt“ Trail-Tour Oberharz # 6 des Harzklub Goslar - Wolfswarte, Butterstieg, Sösesteintrail, Okertsteintrail.....

And again a fun group of bio bikers and e-bikers, due to some breakdowns the tour took a little longer than planned, but it was still fun

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May 26, 2022,Dreimal Wolfswarte

Beautiful, (time) long tour with many new and challenging trails (at least for me 😜).
Due to a defect I had to follow the group and actually managed to drive up to the Wolfswarte 3 times 🙈. It was again a great group from all directions. The tour was planned and led by John / Harzklub.
Thanks for that.

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August 19, 2023,Hitze am Sonnenberg

The Butterstieg in the wet is a challenge.

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September 3, 2023,Oberharzer Grabentour (14/23B)

Beautiful biobike tour in the best weather along the beautiful dam ditches. Great fun. Thanks to @Antonio #harzvirus for watching the tour.

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October 6, 2024,Abschiedsrunde rote Rampe

Last "round" before the journey home. In glorious weather - finally some sunshine! - we first go up to Torfhaus and then, after a quick section of asphalt, we head downhill on narrow, wonderfully gravelly paths parallel to the Upper Harz trenches (UNESCO World Heritage Site).
The red ramp at the "turning point" is a real challenge with the breakfast …

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September 6, 2025,Die schönsten E-MTB #Harzvirus Touren im Harz: Tour 04 ab Clausthal-Zellerfeld / Sperberhaier Dammhaus

Well, what can we say? This was one of the best Harz tours we've done so far.
Landscape/Panorama A+ with a star 😍
Very nice and flowy with some challenging sections. We've ridden the route before, along, and after the Oderteich pond before, but in reverse.
The scree-covered 10% incline was quite a challenge. The start in Dammhaus was perfect; …

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