| Lej da Vadret | |
|---|---|
 | |
  Lej da Vadret  Lej da Vadret  Lej da Vadret  Lej da Vadret | |
| Location | Grisons |
| Coordinates | 46°24′00″N9°50′57″E / 46.40000°N 9.84917°E |
| Primary outflows | Rosegbach (Ova da Roseg) |
| Basin countries | Switzerland |
| Max. length | 1.5 km (0.93 mi) |
| Max. width | 300 m (980 ft) |
| Surface area | 0.43 km2 (0.17 sq mi) [1] |
| Surface elevation | 2,160 m (7,090 ft) [2] |
 | |
Lej da Vadret is a lake below Roseg Glacier in the Grisons, Switzerland.
The Aare or Aar is the main tributary of the High Rhine and the longest river that both rises and ends entirely within Switzerland.
The Rhine is one of the major European rivers. The river begins in the Swiss canton of Graubünden in the southeastern Swiss Alps. It forms the Swiss-Liechtenstein border and partly the Swiss-Austrian and Swiss-German borders. After that the Rhine defines much of the Franco-German border, after which it flows in a mostly northerly direction through the German Rhineland. Finally in Germany, the Rhine turns into a predominantly westerly direction and flows into the Netherlands where it eventually empties into the North Sea. It drains an area of 9,973 km2.
The geography of Switzerland features a mountainous and landlocked country located in Western and Central Europe. Switzerland's natural landscape is marked by its numerous lakes and mountains. It is surrounded by five countries: Austria and Liechtenstein to the east, France to the west, Italy to the south and Germany to the north. Switzerland has a maximum north–south length of 220 kilometres (140 mi) and an east–west length of about 350 kilometres (220 mi).
Lake Zurich is a lake in Switzerland, extending southeast of the city of Zurich. Depending on the context, Lake Zurich or Zürichsee can be used to describe the lake as a whole, or just that part of the lake downstream of the Hurden peninsula and Seedamm causeway. In the latter case, the upstream part of the lake is called Obersee, whilst the lower part is sometimes also referred to as the Lower Lake, respectively.
Lake Constance refers to three bodies of water on the Rhine at the northern foot of the Alps: Upper Lake Constance (Obersee), Lower Lake Constance (Untersee), and a connecting stretch of the Rhine, called the Seerhein. These waterbodies lie within the Lake Constance Basin in the Alpine Foreland through which the Rhine flows. The nearby Mindelsee is not considered part of Lake Constance. The lake is situated where Germany, Switzerland, and Austria meet. Its shorelines lie in the German states of Baden-Württemberg and Bavaria; the Swiss cantons of St. Gallen, Thurgau, and Schaffhausen; and the Austrian state of Vorarlberg. The actual locations of the country borders within the lake are disputed.
The Rhône is a major river in France and Switzerland, rising in the Alps and flowing west and south through Lake Geneva and Southeastern France before discharging into the Mediterranean Sea. At Arles, near its mouth, the river divides into the Great Rhône and the Little Rhône. The resulting delta forms the Camargue region.
Lake Geneva is a deep lake on the north side of the Alps, shared between Switzerland and France. It is one of the largest lakes in Western Europe and the largest on the course of the Rhône. Sixty percent of the lake belongs to Switzerland and forty percent to France.
Lucerne or Luzern is a city in central Switzerland, in the German-speaking portion of the country. Lucerne is the capital of the canton of Lucerne and part of the district of the same name. With a population of approximately 82,000 people, Lucerne is the most populous city in Central Switzerland, and a nexus of economics, transportation, culture, and media in the region. The city's urban area consists of 19 municipalities and towns with an overall population of about 220,000 people.
Valais, more formally, the Canton of Valais, is one of the 26 cantons forming the Swiss Confederation. It is composed of thirteen districts and its capital and largest city is Sion.
The canton of Zurich is an administrative unit (canton) of Switzerland, situated in the northeastern part of the country. With a population of 1,553,423, it is the most populous canton of Switzerland. Zurich is the de facto capital of the canton, but is not specifically mentioned in the constitution. The official language is German. The local Swiss German dialect, called Züritüütsch, is commonly spoken.
Vaud, more formally the Canton of Vaud, is one of the 26 cantons forming the Swiss Confederation. It is composed of ten districts; its capital city is Lausanne. Its coat of arms bears the motto "Liberté et patrie" on a white-green bicolour.
The canton of Fribourg, also canton of Freiburg, is located in western Switzerland. The canton is bilingual, with French spoken by more than two thirds of the citizens and German by a little more than a quarter. Both are official languages in the canton. The canton takes its name from its capital city of Fribourg.
Lugano is a city and municipality within the Lugano District in the canton of Ticino, Switzerland. It is the largest city in both Ticino and the Italian-speaking region of southern Switzerland. Lugano has a population of 62,315, and an urban agglomeration of over 150,000. It is the ninth largest Swiss city.
Tourists are drawn to Switzerland's diverse landscape as well as the available activities, which take advantage of the Alpine climate and landscapes, in particular skiing and mountaineering.
Hydrology is the science which studies the water cycle as a whole, hence the water exchanges between soil and atmosphere but also between the soil and sub ground (groundwater).
Zurich is the largest city in Switzerland and the capital of the canton of Zurich. It is located in north-central Switzerland, at the northwestern tip of Lake Zurich. As of January 2023, the municipality had 443,037 inhabitants, the urban area 1.315 million (2009), and the Zurich metropolitan area 1.83 million (2011). Zurich is a hub for railways, roads, and air traffic. Both Zurich Airport and Zurich's main railway station are the largest and busiest in the country.
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