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Germany
Saxony-Anhalt
Harz Mountains
Oberharz am Brocken

Hassel Forebay – View of Hasselvorsperre loop from Stadt Hasselfelde

Routes
Running trails & routes
Germany
Saxony-Anhalt
Harz Mountains
Oberharz am Brocken

Hassel Forebay – View of Hasselvorsperre loop from Stadt Hasselfelde

Moderate

4.6

(142)

67

runners

Hassel Forebay – View of Hasselvorsperre loop from Stadt Hasselfelde

00:53

8.25km

80m

Running

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 21, 2026

Waypoints

A

Start point

Bus stop

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1

1.49 km

Hagenmühle

Highlight • Historical Site

The property is closed.

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2

1.71 km

On a stretch of about four kilometers, information boards provide information about the vitamin content of honey, its healthy effects, production and also about the fact that even in ancient Greece Hippocrates recommended honey as a remedy.

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3

2.89 km

Definitely worth seeing 👍

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4

3.32 km

Wooden Shelter in the Harz Mountains

Highlight • Mountain Hut

In need of repair but still usable.

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5

3.93 km

Hassel Forebay

Highlight • Lake

From the stamping point you have a nice view of the pre-lock.

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6

3.98 km

The small river Hassel is dammed here, which was built in the years 1956-1959. The reservoir, which is normally full to the brim, is part of the Rappbode dam system. The dam is mainly used to pre-clean the drinking water. Suspended matter and other coarse impurities settle on the bottom of the artificial lake. The pre-cleaned water then flows over the overflow on the dam wall towards the main dam.

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7

4.34 km

View of Hasselvorsperre

Highlight • Viewpoint

The Hassel Vorsperre is located northwest of Hasselfelde. Its gravity dam, which dams the small river Hassel, was built between 1956 and 1959. The concrete bulwark is 21.5 meters high, 141 meters long and two meters wide at the top of the wall. The approximately 1,700 meter long and up to 250 meter wide reservoir holds approximately 1.47 million cubic meters of water at maximum storage. It covers an area of approximately 25 hectares. In addition to the Hassel, which gives it its name, various other small and unnamed streams flow into the reservoir.

The Hasselvorsperre reservoir, which is normally full to the brim, is part of the Rappbode dam system. The dam is mainly used to pre-clean drinking water. Suspended solids and other coarse contaminants settle on the bottom of the artificial lake. The water then flows - freed from these unwanted particles - via the overflow on the dam wall towards the main dam.

After more than half a century of service, the reservoir was extensively renovated in 2014. As part of this construction work, which lasted several months, the wall crown with the railing as well as the overflows and the valve house were renewed.

Over time, the man-made body of water has become home to countless animals. It has, among other things, a species-rich fish population. With appropriate permission, fishing is also permitted in the Hassel Vorsperre. However, any additional activities for recreational purposes of any kind as well as water sports use of the reservoir are prohibited.

A six kilometer long circular hiking trail leads around the Hasselvorsperre reservoir. On the way you will pass several viewpoints. A section of the path on the west bank belongs to the southern route of the Harzer Hexenstieg. A good starting point for the hike around the lake is the parking lot on the Hassel north of the "Hagenmühle" on the northwestern outskirts of Hasselfelde.

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8

5.69 km

Bench with a view of the forebay

Highlight (Segment) • Viewpoint

An information board in itself is certainly only a limited highlight, even if it provides interested hikers with one or the other background knowledge. If you take a closer look, you can discover a year in the top right, which may allow conclusions to be drawn about the age of the same: 1992 - remarkably good condition 👌! I also like these slightly antiquated display boards that summarize everything worth knowing briefly and concisely... the result always reminds a little of the matrices from school😉

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B

8.25 km

End point

Bus stop

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Way Types & Surfaces

Way Types

5.74 km

1.10 km

1.00 km

395 m

< 100 m

Surfaces

5.85 km

1.27 km

911 m

< 100 m

< 100 m

< 100 m

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Elevation

Elevation
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Weather

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Monday 12 October

12°C

2°C

25 %

Additional weather tips

Max wind speed: 23.0 km/h

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Comments

October 23, 2021,Um die Hasselvorsperre
Nice, only slightly wavy round around the Hasselvorsperre. Nice view of the water and crossing the dam. Forest almost completely gone, only a few trees on the bank and the roadside.
The round can also be started directly at the southern end of the reservoir (parking space available), then it is less than 6 km to run / walk / …

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