Stillach River in Germany From Wikipedia, the free encyclopedia Stillach is a river of Bavaria, Germany. At its confluence with the Breitach and the Trettach in Oberstdorf, the Iller is formed. CountryGermanyStateBavarialocationIllercoordinates47.4273°N 10.2740°E / 47.4273; 10.2740Quick facts Location, Country ...StillachLocationCountryGermanyStateBavariaPhysical characteristicsMouth • locationIller • coordinates47.4273°N 10.2740°E / 47.4273; 10.2740Length25.1 km (15.6 mi)[1]Basin size81 km2 (31 sq mi)[1]Basin featuresProgressionIller→ Danube→ Black SeaClose See also List of rivers of Bavaria References [1]Complete table of the Bavarian Waterbody Register by the Bavarian State Office for the Environment (xls, 10.3 MB) This article related to a river in Bavaria is a stub. You can help Wikipedia by adding missing information.vte Related Articles