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The Three Lakes Railway (German: Dreiseenbahn, or sometimes, Drei-Seen-Bahn) is a 19.2 km (11.93 mi) long line in the German

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 state of Baden-Württemberg

Baden-Württemberg

Baden-Württemberg is one of the 16 states of Germany. Baden-Württemberg is in the southwestern part of the country to the east of the Upper Rhine, and is the third largest in both area and population of Germany's sixteen states, with an area of and 10.7 million inhabitants...

. The line is electrified to the standard 15 kV

KV

-In physics and chemistry:* Voltage-gated potassium channel,a large family of potassium channels* Kilovolts , 1000 volts* The rating of RPMs per volt as used in reference to the rotational speed of brushless motors...

, 16⅔ Hz

Hertz

The hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon. One of its most common uses is the description of the sine wave, particularly those used in radio and audio applications....

 system commonly used throughout the German railway network.

The Dreiseenbahn branches southwards from the Höllentalbahn railway, from Freiburg im Breisgau to Donaueschingen

Donaueschingen

Donaueschingen is a German town in the Black Forest in the southwest of the federal state of Baden-Württemberg in the Schwarzwald-Baar Kreis. It stands near the confluence of the two sources of the river Danube ....

, at Titisee station. Along its route it serves stations and halts at Feldberg-Bärental, Altglashütten-Falkau, Aha

AHA

AHA may refer to:* AHA! A Hands-On Adventure, a children's museum in Lancaster, Ohio* Alpha Hydroxy Acid* Amateur Hockey Association* American Heart Association* American Hebrew Academy* American Historical Association...

 and Schluchsee

Schluchsee, Baden-Württemberg

Schluchsee is a town in the Breisgau-Hochschwarzwald district, Baden-Württemberg, Germany. It is located near the reservoir Schluchsee.-External links:*...

, before terminating at Seebrugg.

The line is so called because it passes by the three lakes of Titisee

Titisee

Titisee is a lake in the southern Black Forest in Baden-Württemberg. It is said it got its name from Roman Emperor Titus. It covers an area of 1.3 km² and has an average depth of 20 m. It owes its creation to the Feldberg glacier, the moraine ploughed up by which in the Pleistocene epoch...

, Windgfällweiher

Windgfällweiher

Windgfällweiher is a lake in Südschwarzwald, Baden-Württemberg, Germany. At an elevation of , its surface area is 19.81 ha....

 and Schluchsee

Schluchsee

The Schluchsee is a reservoir lake in the district of Breisgau-Hochschwarzwald, southeast of the Titisee in the Black Forest near Freiburg im Breisgau, Germany.- Location :...

.