View of the Obernau Reservoir – Lahn Spring (Lahn Source) loop from Holzhausen (Siegen)

Road cycling routes

Germany

North Rhine-Westphalia

Kreis Siegen-Wittgenstein

View of the Obernau Reservoir – Lahn Spring (Lahn Source) loop from Holzhausen (Siegen)

Hard

riders

View of the Obernau Reservoir – Lahn Spring (Lahn Source) loop from Holzhausen (Siegen)

03:36

72.7km

1,080m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 21, 2026

Tips

Includes segments that go up or down a series of steps

You may need to carry your bike.

After 7 m for 2 m

After 72.8 km for 2 m

Waypoints

Start point

Train Station

Get Directions

8.46 km

Ascent from Wilgersdorf to the Kalteiche hiking car park

Highlight (Segment) • Climb

The climb gets steeper and steeper up to the upper right-hand bend, where it reaches 16% to 18%.
It is a bit depressing when you see the increasingly steep stretch …

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23.5 km

Auenwald

Nature Reserve

28.9 km

View of the Obernau Reservoir

Highlight • Viewpoint

The circular route around the dam always offers varied views. It is worthwhile in any weather, even if there is a lot of activity when the weather is nice. Then cyclists, runners and walkers need to work together.

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30.4 km

Ascent from Obernau Reservoir to Forsthaus Hohenroth

Highlight (Segment) • Climb

Nice (car-free) ascent from the Obernau dam to the Hohenroth forest house (waldland-hohenroth.de). It's completely paved, of course partly a bit bumpy and covered with leaves and branches, but still …

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38.9 km

Siegquelle (Source of the Sieg River)

Highlight • River

The source of victory near Walpersdorf in the North Rhine-Westphalian district of Siegen-Wittgenstein (Germany) is the Rothaargebirge source of the 155.2 km long river Sieg, which flows in the Niederkasseler district Mondorf in the Rhine.

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42.0 km

Lahn Source

Highlight • River

At this idyllic spot is the source of the Lahn, which is hidden in a pond. Right next door is the forester's lodge and a few meters further along the …

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42.7 km

Hainchen–Lahnquelle Climb

Highlight (Segment) • Climb

One of the nicest climbs in the area! Little traffic and almost perfect asphalt! The perfect introduction to the Sauerland-Rothaargebirge nature park. There are many other beautiful routes to choose from at the top

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51.5 km

View from Haincher Höhe over the Siegerland

Highlight • Viewpoint

The Haincher Höhe is part of the east/west or Sieg/Lahn watershed. On a clear day you have a very good view from here, far beyond Siegen. The Haincher Höhe is located directly on the "Rothaarsteig" hiking trail.

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52.0 km