Rench
Rench dam at Lautenbach
The Rench is a right tributary of the Rhine in the Ortenau ( Mittelbaden ). It rises on the southern edge of the Black Forest on Kniebis to Bad Griesbach in the Black Forest. At the mündungsfernsten source in the district refuge of the Black Forest village near the former Hostel the Schöngrundbächle rises to about 915 m above sea level. NN, which flows together after passing through its steep slope blade with other streams only to the old, then to the Wilde Rench, which is then called only below of Bad Griesbach only Rench. The Rench is overall in a striking Südbogen through the Middle Black Forest and occurs the hilly Ortenauer fruit and wine-growing region, crossing, in the Rhine valley from. After nearly 57 km, it joins the Rhine - km 314.700 between Helmlingen ( Rheinau ) and Lichtenau into the Rhine.
The upper Rench valley to Bad Peterstal is first cut into wooded sandstone plateaus and turns into a more open, very rough and steep valley landscape in relief, the center of which is the small town Oppenau. There you flows from the right known by its waterfalls Lierbach to. In Lautenbach the valley widens abruptly to the foothills of the set at the base of vineyards and town of Oberkirch town Renchen whose area is characterized by orchards.
By Renchtal the B leads 28, has always been an important Schwarzwald- transverse path that connects the Strasbourg area with the upper Neckar region. It leads above Bad Griesbach steep and steep winding up to the Alexanderschanze ( 968 m). From Appenweier leads from the Renchtal train to Bad Griesbach. It has also contributed to the development of onset in Bad Griesbach in the 16th century health resort in the Rench valley, which soon on Bad Antogast at Oppenau (especially nobility ), and Bad Bad Peterstal Free Bach ( today Bad Peterstal ) escalated.
The Rench Flood Canal was built to derive flood 1936-1953 in the Acher Rench - correction. It branches at Erlach from the Rench from, takes Rheinau Acher channel on and joins in Memprechtshofen again with the actual Rench.