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Iron Spring – Dammgraben Trail loop from Bergstadt Altenau

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Iron Spring – Dammgraben Trail loop from Bergstadt Altenau

Moderate

4.7

(220)

641

hikers

Iron Spring – Dammgraben Trail loop from Bergstadt Altenau

04:22

14.7km

370m

Hiking

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required. The starting point of the route is right next to a parking lot.

Last updated: June 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Nationalpark Harz

Waypoints

Start point

Parking

Get Directions

1.62 km

Dammgraben Trail on the Harzer-Hexen-Stieg

Highlight • Trail

A priceless view 🥾🍃

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2.58 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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3.08 km

Dammgraben Trail

Highlight • Trail

At 25 km, the dam ditch is the longest man-made ditch. Its water once powered the mines in Altenau and Clausthal.
There is a beautiful hiking trail right next to the dam ditch.

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4.79 km

Großer Kolk

Lake

5.41 km

Morgenbrodstal Ditch

Highlight (Segment) • Trail

Wonderful, natural single trail along the historic Upper Harz water system. The Siebenwochenklippe with bench invites you to linger.

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8.80 km

Great Weir and Morgenbrod Hut (HWN 146)

Highlight • Mountain Hut

Where the stream flows into the Söse, there is the large weir. This regulates the water balance of the Morgenbrodstaler Graben, which is fed by these two watercourses. The Morgenbrodshütte is located a little above the large weir.

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9.44 km

Sösestein

Highlight • Natural Monument

The Sösestein (730 meters above sea level) is a freestanding, approximately 12 meters high, single-standing rock on which you (even smaller children) can easily climb up. Upstairs, up to 3 …

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13.3 km

Pumping station at the Upper Harz Water Management System

Highlight • Historical Site

Great explanation about the dewatering of the Harz mines.

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14.0 km

View of Altenau from Rosewiese

Highlight • Viewpoint

Regardless of where you look at Altenau, always the terrible block in view.

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14.7 km

End point

Parking

Way Types & Surfaces

Way Types

9.01 km

4.68 km

726 m

210 m

< 100 m

Surfaces

10.1 km

2.22 km

1.93 km

208 m

181 m

< 100 m

Elevation

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

Weather

Thursday 16 July

26°C

15°C

68 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Comments

March 9, 2025,Dammgraben Teil 2, HWN 146, Sonderstempel Wildnispfad Altenau

Hiking from sunrise to sunset - exactly my thing.
This time I started at the Sperberhaier Dammhaus and it took me directly to the inflow of the 4.5 km long Morgenbrodtsthaler Graben, which is the first so-called long-distance water supply of the Dammgraben.
I followed this on WWW 14.
The ditch was built in 1715 and is mainly fed by …

Showing Translation

April 14, 2024,Steiler Pfad ↘️...⚒️ zur Morgenbrodtshütte (HWN 146)... mit Power ↗️ zurück zum Parkplatz Stieglitzecke

Circular trail that begins with a steep path downhill. Then it's a leisurely and easy walk along the Upper Harz water shelf. Informative and worth seeing! After a refreshment stop at the Sperberhaier Dammhaus, the trail continues along the Harzer Hexenstieg before the climb to the Stieglitzecke car park ends the tour. A bit of basic fitness and, above all, …

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December 17, 2021,Entspannte Wasserläufe mit viel Aussicht - Hexenstieg Runde von Altenau.

The fourth and last Harzwinter'21 tour of our "Hexenstieg & Wasserwirtschaft" quartet begins and ends in the mountain town of Altenau.
This final round lived up to the motto, almost exactly half of the circuit led along the ditches of the "Upper Harz Water Management", whereby this part along the Dammgraben is probably one of the most beautiful and with …

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May 1, 2022,Vom Stieglitzecke zum Sperbenhaier Dammhaus (inkl. HWN 146)

After a long stretch in the land of the bark beetle, the path continued on beautiful dam paths and natural, steep forest paths 😀.

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April 16, 2022,Runde Altenau-Sperberhai-Hammerstein-Schusterklippe

The tour, which leads to Morgenbrods Hütte because it runs along the Oberharzer Wasserregal, takes its revenge on everyone who even remotely considered whether it would also be passable by MTB, with an inappropriately rocky, steep and rooted climb.

The hiker breaking out of the forest discreetly obese - still proud of having mastered the first half of the ascent …

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March 10, 2025,Wandern

Descent from the Hammerstein cliff is made difficult by fallen trees

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August 14, 2021,Stieglitzeck-Sösestein (HWN 146)-Große Wehr-Dammgraben

That was a really nice tour.
It is very varied and almost half of it leads along the dam ditch, mostly under trees. In the first part (with Hammersteinklippe and Sösestein) the path is quite stony and with roots. Sturdy shoes are strongly recommended. From Langes Wehr (HWN) it goes along to the Altenau junction on the Dammgraben. So absolutely …

Showing Translation

July 21, 2024,20240721-SperberhaierDamm Runde

In the suggested direction, the worthwhile climb takes you over the Sösestein to the Hammersteinklippe. Unfortunately, the path is poor. It would be a good idea to look at maps more often...

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Iron Spring – Dammgraben Trail loop from Bergstadt Altenau

Dammgraben Trail on the Harzer-Hexen-Stieg

Iron Spring

Dammgraben Trail

Morgenbrodstal Ditch

Great Weir and Morgenbrod Hut (HWN 146)

Sösestein

Pumping station at the Upper Harz Water Management System

View of Altenau from Rosewiese

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