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

Mountain biking trails

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

Moderate

4.7

(64)

125

riders

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

02:03

29.8km

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: September 10, 2026

Waypoints

Start point

Bus stop

Get Directions

7.40 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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7.88 km

Langer Teich

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A place to gather strength and unwind!

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19.4 km

Oker Dam

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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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20.4 km

Bench with a view of the Okertalsperre and historical information board

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Easily accessible and one of the most beautiful spots at the reservoir.

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21.7 km

View of the bridge at Oker Reservoir

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Only from this spot can you get a beautiful view of the bridge.
Unfortunately, there is too little water in the reservoir.

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26.1 km

View of the Oker Dam

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

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27.7 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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28.4 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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29.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

23.5 km

3.00 km

1.55 km

1.24 km

572 m

Surfaces

14.8 km

9.91 km

3.46 km

1.06 km

572 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 21 October

10°C

4°C

40 %

Additional weather tips

Max wind speed: 25.0 km/h

to get more detailed weather forecasts along your route

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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