Sihl

main railway station in the Swiss city of Zurich

The Sihl () is a Swiss river that rises near the Druesberg mountain in the canton of Schwyz, and eventually flows into the Limmat in the centre of the city of Zürich, after crossing the Zürich–Winterthur railway at . It has a length of , including the Sihlsee reservoir, through which the river flows. Water is abstracted from the river at the Sihlsee, leading to decreased downstream water flows and a consequent reduction in water quality.

__NOTOC__ The Sihlsee (; in English sometimes called Lake Sihl) is an artificial lake in the Swiss canton of Schwyz, near the town of Einsiedeln. The lake was created by damming the river Sihl and flooding a section of the upper Sihl Valley.

thumb|right|Babenwaag bridge in Sihlbrugg Sihlbrugg is a village and important transportation node between the cantons of Zug (ZG) and Zürich (ZH) in Switzerland.

railway company and transport network in the canton of Zürich in Switzerland

railway line in the Swiss canton of Zurich, which connects the city of Zurich with the communities of the Sihl Valley

thumb|right|The Sihlwald seen from the Hochwach lookout-tower with Sihl valley, Zimmerberg hills, Lake Zürich and the Alps beyond The Sihlwald is a forest and nature reserve in the Sihl Valley of the Swiss canton of Zürich. It is a rare example of a large-scale and original forest, situated on the eastern slopes of the Albis hills to the west side of the Sihl river. Although the forest is owned by the city of Zürich, it is situated outside the city boundary, within the municipality of Horgen and several adjoining municipalities. The Sihlwald now forms part of the Zürich Wilderness Park.

river in Switzerland

Park in Zürich, Switzerland

protected area

Schanzengraben is a moat and a section of the northwestern extension of the Seeuferanlage promenades that were built between 1881 and 1887 in Zurich, Switzerland. Schanzengraben is, among the adjoint Katz bastion at the Old Botanical Garden and the so-called Bauschänzli bulwark, one of the last remains of the Baroque fortifications of Zürich. The area of the moat is also an inner-city recreation area and a public park.

valley

tributary of the Sihl in the canton of Schwyz in Switzerland