Modau

Modau
The Modau running through the town of Ober-Ramstadt.
Origin	49°43′56.7″N 8°46′12.4″E / 49.732417°N 8.770111°E / 49.732417; 8.770111 (Modau source)
Mouth	49°48′50″N 8°27′52″E / 49.81389°N 8.46444°E / 49.81389; 8.46444 (Modau mouth)
Progression	Rhine → North Sea
Length	44 km
Source elevation	491 m
Mouth elevation	84 m
Basin area	34.6 km²
River system	Rhine

The Modau is a 44 km long right tributary of the Rhine River running through the German state of Hesse. Historically, there have been many watermills on the river and its tributaries, giving rise to the name Mühltal ("Mill Valley"), a district through which the river flows.

Tributaries of the Rhine Left (western) Alpine Rhine Vorderrhein High Rhine Thur Töss Glatt Aare Sissle Ergolz Birs Birsig Upper Rhine Ill Moder Sauer Lauter Spiegelbach Queich Speyerbach Rehbach Isenach Eckbach Eisbach Pfrimm Selz Middle Rhine Nahe Moselle Nette Brohlbach Ahr Lower Rhine Erft Right (eastern) Alpine Rhine Rein da Tuma Rein da Curnera Rein da Medel Glenner Rabiusa Hinterrhein Plessur Landquart Ill Frutz Lake Constance Dornbirner Ach Bregenzer Ach Leiblach Argen Schussen Rotach Linzer Aach Stockacher Aach Radolfzeller Aach High Rhine Biber Wutach Alb Murg Wehra Upper Rhine Wiese Elz Kinzig Rench Acher Murg Alb Pfinz Saalbach Kraichbach Leimbach Neckar Weschnitz Modau Main Middle Rhine Wisper Lahn Wied Lower Rhine Sieg Wupper Düssel Ruhr Emscher Lippe IJssel Oude IJssel/Issel Berkel Schipbeek