Sperrlutter

Sperrlutter
Location	Harz, Lower Saxony,  Germany
Basin features
Main source	over 700 m above sea level
River mouth	Oder 309 m above sea level 51°38′36″N 10°29′27″E / 51.643472°N 10.49083°E / 51.643472; 10.49083
River system	Oder → Rhume → Leine → Aller → Weser
Landmarks	Small towns: Bad Lauterberg im Harz Villages: St. Andreasberg
Tributaries	Right: Wäschegrund, Warmeloch and Breitenbeek
Physical characteristics
Length	ca. 11 km

The Sperrlutter is a roughly 11 km (7 mi) long tributary of the Oder between Sankt Andreasberg and Bad Lauterberg in the Harz Mountains. It rises at about 700 m in the vicinity of the Glückaufklippen. It flows initially south through the village of Silberhütte () (where it is joined by the Wäschegrund) and the Sperrlutter valley. Finally the Breitenbeek (the largest tributary of the Sperrlutter), before the Sperrlutter reaches Bad Lauterberg and enters the Oder at a height of 309 m.

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