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The Iffezheim Lock (German: Schleuse Iffezheim) is a river lock on the Rhine near Iffezheim in Baden-Württemberg, Germany. The two passages of the lock serve to allow ships and barges to bypass the hydropower station on the French side of the river. It is one of the heaviest-used locks in Germany, with a daily average of 107 commercial vessels passing through in 2003 and 30 million shipping tonnes per year. The chambers of the double lock have usable areas of 24 x 270 m. The lock is open for passage 24/7/365 and shuttles ships up or down with a water exchange rate of 165 m³/s per chamber, achieving a rise or fall of 1.5 m per minute. The lock retains at least 3.5 m water depth during normal low-water conditions.

The Moder (French: la Moder, [mɔdɛʁ]; German: die Moder) is a river in northeastern France; it begins in Zittersheim and ends at the river Rhine. It is 82.1 km (51.0 mi) long.

Iffezheim is a town in the district of Rastatt in Baden-Württemberg in Germany. It lies close to the Rhine river, where the Lock Iffezheim is also situated. Iffezheim is also known for the horse races, which takes place three times a year.

Neuhaeusel (German: Neuhäusel) is a commune in the Bas-Rhin department in Grand Est in north-eastern France.

Beinheim (French pronunciation: [bainaim]; Alsatian: Bänem) is a commune in the Bas-Rhin department in Grand Est in the Alsace region of northeastern France.

Hügelsheim (Low Alemannic: Heilze or Helse) is a western German town across the Rhine river border with French Alsace. Two burial places suggest possible settlements dating back as far as the Bronze Age. The "Heilingenbuck" (Holy Hill), a princely tomb, dates back to the Hallstattian period, probably the 3rd or 4th century BC. The Romans who occupied the area from 69 to 79 AD built a road leading from Strasburg via Kehl, Hügelsheim, Rastatt, Gruenwinkel and Graben to Neuenheim which gave the village its ribbon-built character. In the 3rd century AD the Romans were driven out by the Alemanni tribes. In a document from 788 intended for the Bonifatius convent in Fulda, Hügelsheim is mentioned for the first time as "Hughilaheim".The population of Hügelsheim earned their livelihood as farmers, fishermen and barge men, and for centuries there was a weekly market ship traveling to Strasbourg. In 1834 the first steamship on the Rhine rang in the end of the Hügelsheim barge men's guild. The Rhine River has always brought not only benefits but also harm to the village, reaching into the most recent history. The construction of the Iffezheim Lock has caused irreparable damage to pastures and in its wake brought considerable financial disadvantages to the community. A lawsuit against the Federal Government in this matter lasted for nearly a decade. Finally Hügelsheim was granted a 1 million Deutsch Mark compensation for the loss in its industrial gravel pits. Hügelsheim has its own water supply and purification plant, and natural gas is supplied by the public utility works of the city of Baden-Baden.

Église Saint-Étienne de Seltz is a church in Seltz, Bas-Rhin, Alsace, France. Originally built in the late 15th century, it was bombed during World War II and subsequently built between 1954 and 1956. It became a registered Monument historique in 1990.

Selz Abbey or Seltz Abbey (German: Kloster Selz; French: Abbaye de Seltz) is a former monastery and Imperial abbey in Seltz, formerly Selz, in Alsace, France.

Seltz (French pronunciation: [sɛlts]; German: Selz) is a commune in the Bas-Rhin department of the Grand Est region in north-eastern France. It is located on the Sauer River near its confluence with the Rhine, opposite the German town of Rastatt.

Kesseldorf is a commune in the Bas-Rhin department in Grand Est in north-eastern France.

The Delta de la Sauer (Sauer Delta) National Nature Reserve (RNN 135) is a national nature reserve in the Grand Est region in France. Created in 1997, it extends over 486 ha and protects a Rhine wetland with remarkable biodiversity.

Roppenheim (German pronunciation: [ˈʁɔpm̩ˌhaɪ̯m], French: [ʁɔpən(h)ajm]; Alemannic German: Roppenem) is a commune in the Bas-Rhin department, in the cultural region of Alsace, administrative region of Grand Est, northeastern France.