Altwasser, Grenchen

Protected perimeter on the national map

swisstopo national map showing the protected perimeter of Altwasser (Fen) — Official swisstopo national map. The coloured area shows the perimeter: Fen Altwasser.

Location and surroundings

Altwasser is a fen in Switzerland. The site lies near Grenchen in the canton of SO. It covers 4 ha. In the federal inventory it carries object number 3683. Within 25 kilometres there are 8 further protected sites. The figures come from the federal inventory and are updated at each revision.

Inventory	Fen
Town	Grenchen
Canton	SO
Area	4 ha
Object number	3683
Coordinates	47.16538, 7.38648
Object sheet	PDF

Nearby

Witi (BE,SO), Grenchen Water bird reserve · 1 km Grenchner Witi, Grenchen Amphibian spawning site · 1 km Kieswerk Schopsberg, Arch Amphibian spawning site · 3 km Häftli bei Büren (BE), Büren an der Aare Water bird reserve · 4 km Altwässer der Aare und der Zihl, Büren an der Aare Floodplain · 4 km Höll, Büren an der Aare Fen · 4 km Widi, Arch Amphibian spawning site · 4 km Tümpel bei Alter Aare Meienried, Meienried Amphibian spawning site · 5 km

Frequently asked questions

Where is Altwasser?

Altwasser lies near Grenchen in the canton of SO. The coordinates are 47.1654, 7.3865.

How large is Altwasser?

The site covers 4 ha according to the federal inventory.

Fen: what is it?

Fens are fed by groundwater or slope water and host many specialised plant and animal species.

Is Altwasser protected?

Yes. The site is listed in the federal inventory and is therefore of national importance.

Which town is Altwasser in?

Altwasser lies near Grenchen (SO). The town page collects every protected site around Grenchen.

Which protected sites are near Altwasser?

The closest are Witi (BE,SO) (1 km), Grenchner Witi (1 km) and Kieswerk Schopsberg (3 km).

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