The Oudegracht, or "old canal", runs through the center of Utrecht

Utrecht (city)

Utrecht city and municipality is the capital and most populous city of the Dutch province of Utrecht. It is located in the eastern corner of the Randstad conurbation, and is the fourth largest city of the Netherlands with a population of 312,634 on 1 Jan 2011.Utrecht's ancient city centre features...

, the Netherlands

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

. It starts in the southeast of the city

City

A city is a relatively large and permanent settlement. Although there is no agreement on how a city is distinguished from a town within general English language meanings, many cities have a particular administrative, legal, or historical status based on local law.For example, in the U.S...

. Here the Kromme Rijn

Kromme Rijn

The Kromme Rijn is a river in Utrecht , Netherlands.In Roman times, this northernmost branch of the Rhine delta was the main distributary of this major European river...

 (the original main bed of the Rhine river) and the Vaartse Rijn

Vaartse Rijn

The Vaartse Rijn is a canal connecting the city of Utrecht with Nieuwegein and the Lek river in the Dutch province of Utrecht . The Vaartse Rijn was formerly a major shipping route between Utrecht and the Rhine basin.-History:...

 (a medieval canal reconnecting Utrecht to the newer main stream of the Rhine, the Lek

Lek River

The Lek is a river in the western Netherlands of some 60 km in length. It is the continuation of the Nederrijn after the Kromme Rijn branches off at the town of Wijk bij Duurstede. The main westbound waterway is hereafter called the Lek River...

) arrive to meet the original moat of the fortified town, and the Oudegracht goes from there into the center of town. Parts of the Oudegracht follow the original flow of the river Rhine, but there is some disagreement on what parts. The northern part is most likely an early canal (app. 1000) connecting the Rhine section to the river Vecht

Vecht (Utrecht)

thumb|right|[[Satellite]] [[image]] of the surroundings of [[Utrecht |Utrecht]] showing river Vecht and the [[Amsterdam-Rhine Canal]] .220px|thumb|right|Location of river Vecht ....

. The southern part was started in 1122, after the water level of the Rhine in Utrecht dropped because of the new dam at Wijk bij Duurstede. The ground excavated was used to raise the sides of the canal, to reduce the chance of flooding. When the city's system of locks was finished in 1275 the water level was constant, enabling the creation of permanently dry cellars and new quays at water level, hence the typical wharf

Wharf

A wharf or quay is a structure on the shore of a harbor where ships may dock to load and unload cargo or passengers.Such a structure includes one or more berths , and may also include piers, warehouses, or other facilities necessary for handling the ships.A wharf commonly comprises a fixed...

s below street level. Warehouse

Warehouse

A warehouse is a commercial building for storage of goods. Warehouses are used by manufacturers, importers, exporters, wholesalers, transport businesses, customs, etc. They are usually large plain buildings in industrial areas of cities and towns. They usually have loading docks to load and unload...

s used to line the canal. Today many of these warehouses have been converted into restaurants and cafés.