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Langer Teich – View of the Oker Reservoir loop from Bergstadt Altenau

Routes

Mountain biking trails

Langer Teich – View of the Oker Reservoir loop from Bergstadt Altenau

Moderate

4.6

(58)

129

riders

Langer Teich – View of the Oker Reservoir loop from Bergstadt Altenau

02:05

29.9km

400m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: June 14, 2026

Tips

Includes a segment that goes up or down a series of steps

You may need to carry your bike.

After 5.47 km for 4 m

Waypoints

Start point

Bus stop

Get Directions

5.12 km

Singletrack Paradise Harz Mountains

Highlight • MTB Park

Nice tour with not too long uphill passages.
Unfortunately, the most beautiful single trails were to be climbed up the mountain so that we would recommend the tour backwards.
If …

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7.51 km

Upper and Lower Haus-Herzberger Pond

Highlight • Lake

The Upper Haus-Herzberger Pond is the second-highest body of water in a four-tiered pond cascade.
The pond dam currently measures 7.20 meters in height and approximately 215 meters in length.

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7.98 km

Langer Teich

Highlight • Lake

A place to gather strength and unwind!

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19.5 km

Oker Dam

Highlight • Monument

The Okertalsperre was built as a curved weight wall. It is likely to be the only sheet metal wall in Germany. The dam is 260 m long and 75 m …

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20.5 km

Bench with a view of the Okertalsperre and historical information board

Highlight • Viewpoint

The dam is 260 meters long and up to 75 meters high. The pent-up water drives the turbine of the Romkerhalle hydropower plant. It was built from 1955 to 1956.

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26.2 km

View of the Oker Dam

Highlight • Viewpoint

A paved cycle path leads along the Oker reservoir here. This is easy to drive and has no significant gradients.

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27.8 km

View of the Oker Reservoir

Highlight • Viewpoint

The Okertalsperre is a dam in the Harz Mountains and is located at an altitude of 416 meters. It dams the river Oker, which is also the namesake of the dam.

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28.5 km

Kellwasser Trail

Highlight (Segment) • Trail

Nice to driving trail right on the Okertalsperre. Right is the mountain slope and left goes down to the reservoir.

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29.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

22.8 km

2.91 km

1.57 km

1.43 km

1.20 km

Surfaces

14.6 km

9.02 km

3.97 km

1.61 km

666 m

< 100 m

Elevation

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

Highest point (590 m)

Lowest point (410 m)

Weather

Wednesday 2 September

18°C

12°C

-- %

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Comments

May 1, 2026,Entspannt von Clausthal aus um die Okertalsperre? Nein!

We started from Clausthal-Zellerfeld and planned a relaxed loop to the Okertalsperre. Unfortunately, the Möchstalweg at the beginning had been plowed over by a harvester and spoiled the start, but afterwards we rolled downhill through the picturesque Langetal, always along the stream.

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July 20, 2021,Von Clausthal zur Okertalsperre und zurück.🚵🏻‍♂️🤘🏻

The start and finish was the Bike & Bow Shop in Clausthal
The parking lot is only for guests, but after politely asking the owner, he said "definitely" with a smile
There isn't much to say about the tour itself, because it was great.👍🏻 And it was fun.
They can also be ridden wonderfully on a trekking bike or city …

Showing Translation

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Langer Teich – View of the Oker Reservoir loop from Bergstadt Altenau

Singletrack Paradise Harz Mountains

Upper and Lower Haus-Herzberger Pond

Langer Teich

Oker Dam

Bench with a view of the Okertalsperre and historical information board

View of the Oker Dam

View of the Oker Reservoir

Kellwasser Trail

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