Alfbach (Prüm)

The Alfbach is a 22.3 km, orographically right-bank tributary of the Prüm in the county of Bitburg-Prüm in the German state of Rhineland-Palatinate.

Course
The Alfbach rises in the Schneifel at a height of. Its source lies on the northern slopes of the Schwarzer Mann about three kilometres northeast of Halenfeld in the municipality of Buchet.

The stream flows initially in a southwesterly direction to Halenfeld, where it collects its main tributary, the Donsbach, then turns south as far as Buchet, before changing direction to the southwest to continue through Bleialf. Near Großlangenfeld it changes its direction again to the south and, at the Hauscheid Mill (‘’Hauscheider Mühle’’) passes under the A 60 motorway. Continuing mainly in a southeasterly direction the Alfbach empties into the Prüm west of Pronsfeld at a height of.

Catchment
The Alfbach drains a catchment area of 55.693 km2 ; its waters flowing via the Prüm, Sauer, Moselle and Rhine to the North Sea.