The Herrenwieser See is a tarn in the municipality of Forbach in the Northern Black Forest in Germany. It lies at a height of 830 metres, a little northwest of the Schwarzenbach Reservoir and 1,600 metres as the crow flies northeast of Herrenwies on the eastern mountainside of the 1,001-metre-high Seekopf, a subpeak of the Badener Höhe. The lake covers an area of 1.2 hectares and is up to 9.5 metres deep. Habitats Directive area and, together with the cirque headwall, designated as a biotope. It can be circumnavigated on a footpath. The lake itself is surrounded by a fence and the shore is out-of-bounds for nature conservation reasons.