The Stöbber (also: Stobber) is the central river in the hilly landscape of "Märkische Schweiz" and the Märkische Schweiz Nature Park, Brandenburg, Germany.

The stream runs over a distance of 25 kilometres (16 mi) from the fen and source region of Rotes Luch towards the northeast through Buckow to the Oderbruch.

On a roughly 13-kilometre-long (8.1 mi) route of its course there is designated the nature protection area "Naturschutzgebiet Stobbertal".

In Altfriedland, the river passes the Damm-Mühle (watermill) and, directly alongside the Kietzer See (lake), a Special European Protection Area (SPA) for the conservation of wild living birds (Birds Directive). '

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