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Sonnenuntergang Alter Rhein bei Hohenems (c) Oberhauser Photgraphy-Vorarlberg Tourismus
Circular hiking trail at Alter Rhein, Hohenems

In the alluvial forests

Nature at Alter Rhein – the border river between Vorarlberg and Switzerland – is special, no matter the season. The colours in autumn, the peace in winter, the spring bloom, pleasant cool and shade in the summer. Alluvial forests are among the most biodiverse habitats in Central Europe for an astonishing variety of plants, mammals, amphibians, reptiles, birds, butterflies and beetles. For thousands of years, the Rheintal valley was covered in swamp and alluvial landscapes. The alluvial forests along the Alter Rhein river, in the Rhine river delta and at Lake Constance are among the final remnants of these habitats which play such an important role in natural history.

Alter Rhein round trail (c) Vorarlberg Tourismus-Agnes Ammann
Alter Rhein Rundweg Fruehlingswanderung 7 (c) Vorarlberg Tourismus-Agnes Ammann

Two key tree species in these forests are the grey alder and white willow. The grey alder is a key coloniser on new soils (e.g. after flooding). Its root system offers a habitat for bacteria that can absorb nitrogen from air. Thanks to this symbiosis, the alder compensates for the lack of nitrogen in the soil and offer bacteria other nutrients and a home. Numerous small animal species and plants live around grey alders.

However, the white willows hosts even more species. They accommodate over 3,000 species of animals (insects, birds, spiders, etc.) in their roots, trunks and crowns. Not only along the bank, but also in the water, the Alter Rhein is full of true natural gems. In 2015, on the ‘Geo Biodiversity Day’, a bryozoan previously unknown in Vorarlberg was found in the waters of the Alter Rhein in Hohenems.

The macro- and micro-diversity in the alluvial forests along the Alter Rhein is often overlooked. The roughly 1.5 hour circular hike along the Alter Rhein in Hohenems includes many spots where you can pause, enjoy nature and admire the wonderful flora and fauna there.

Hiking route with a route description and map (in German)
  • Outdooractive

    Rundweg Alter Rhein

    Rundweg Alter Rhein - Zollamt Schmitter - Zollamt Hohenems

    • 4,8 km

    • 01:12 h

    • leicht

    Rundweg Alter Rhein
    Rundweg Alter Rhein
    Rundweg Alter Rhein
    Difficulty:leicht
    Distance:4,8 km
    Ascent:9 m
    Descent:9 m
    Duration:01:12 h
    Deepest point:406 m
    Highest point:415 m
    Condition:

    Experience:

    Landscape:

    Rundweg Alter Rhein

    Rundweg Alter Rhein - Zollamt Schmitter - Zollamt Hohenems

    Start of tour

    Zollamt Hohenems

    End of tour

    Zollamt Hohenems

    Description Gesamtgehzeit: 1 Stunde Steigungen: keine Für Wanderungen mit Kindern ganz ideal und ist zu jeder Jahreszeit möglich.Best season
    JANFEBMARAPRMAYJUN
    JULAUGSEPOCTNOVDEC
    All route info
Alter Rhein Rundweg
Naturpark Alter Rhein
Alter Rhein Rundweg
Alter Rhein Rundweg
Alter Rhein Rundweg Grenzübergang Schmitter

Nature at Alter Rhein – the border river between Vorarlberg and Switzerland – is special, no matter the season.

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