Information: - Lake St. Moritz ( German : St. Moritzersee , Romansh : Lej da San Murezzan ) is a lake near St. Moritz , Switzerland . With a surface of 0.78 km , it is smaller than the main lakes of the Upper Engadin valley ( Lake Sils , Lake Silvaplana ) . Every January or early February , Polo matches are held on the lake . Compared to polo played in the summer , a slightly larger and lighter red ball is used that is easily visible in the snow . For three weekends every February , horse races are held on the frozen lake . This races called '' White Turf '' are held since 1907 and brings the wealthy tourists to the lake for champagne and betting . This is also the location , where sports enthusiasts invented the sport of skijoring . In this type of race , thoroughbred horses compete without riders on their backs , but instead skiers in tow . While the sport is also played in other alpine countries , it still is mainly found in the region in which it as originated . The sport has evolved since the first race in 1906 ; the race as held on the road from St. Moritz to Champfer and as won by the President of Alpina Ski Club Philip Mark and his horse Blitz ( German for lightning ) . Today , the race is run similar to other horse races , with all horses starting at the same time and running around the track . Steering is very difficult complicating the race significantly requiring great strength and skill on behalf of the athletes . The skier with the most points after the three races on consequitive Sundays is crowned the '' King of the Engadin Valley '' . In addition to skijoring , traditional flat and trotting races over different distances are held . Until recently visitor parking was also located on the lake , but this practice has since been prohibited . The first ice cricket tournament took place on the frozen lake in 1988 . English cricketer David Gower parked his rental car on the ice in January 1990 ; overnight it broke through the ice and sank . - Piz Julier (German) is a mountain of the Albula Alps, overlooking the Julier Pass, in the Swiss canton of Graubunden. With a height of 3,380 metres above sea level, Piz Julier is the second highest peak (after Piz Calderas) of the group between the Julier Pass and the Albula Pass. - Switzerland, officially the Swiss Confederation, is a federal republic in Europe. It consists of 26cantons, and the city of Bern is the seat of the federal authorities. The country is situated in Western-Central Europe, and is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland is a landlocked country geographically divided between the Alps, the Swiss Plateau and the Jura, spanning an area of . While the Alps occupy the greater part of the territory, the Swiss population of approximately eight million people is concentrated mostly on the plateau, where the largest cities are to be found: among them are the two global cities and economic centres Zurich and Geneva. - Geneva (, , , ) is the second most populous city in Switzerland (after Zurich) and is the most populous city of Romandy, the French-speaking part of Switzerland. Situated where the Rhone exits Lake Geneva, it is the capital of the Republic and Canton of Geneva. - Europe is a continent that comprises the westernmost part of Eurasia. Europe is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, and the Mediterranean Sea to the south. To the east and southeast, Europe is generally considered as separated from Asia by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways of the Turkish Straits. Yet the non-oceanic borders of Europea concept dating back to classical antiquityare arbitrary. The primarily physiographic term "continent" as applied to Europe also incorporates cultural and political elements whose discontinuities are not always reflected by the continent's current overland boundaries. - Passau is a town in Lower Bavaria, Germany. It is also known as the Dreiflussestadt or "City of Three Rivers," because the Danube is joined at Passau by the Inn from the south and the Ilz from the north. - Lake Sils (German "Silsersee", Romansh: "Lej da Segl") is a lake in the Upper Engadine valley, Grisons, Switzerland. It takes its name from the village of Sils im Engadin. The lake lies at an altitude of 1,797 metres above sea level, between Maloja Pass and Lake Silvaplana. Several mountains over 3,000 metres overlook the lake, notably Piz Corvatsch, Piz Grevasalvas and Piz da la Margna. The lake's drainage basin culminates at Piz Fora (3,336 m) and comprises the Vadrec da Fedoz glacier. - Grisons ( see also other names) is the largest and easternmost canton of Switzerland. The canton shares borders with the cantons of Ticino, Uri, Glarus and St. Gallen and international borders with Italy, Austria and Liechtenstein. The name Graubunden translates as the "Grey Leagues," referring to the canton's origin in three local alliances, the League of God's House, the Grey League, and the League of the Ten Jurisdictions. Grisons is also home to three of Switzerland's ethnic groups and the subsequent languages of Swiss German, Italian and Romansh are all native to the state. It is the only officially trilingual canton and the only canton where the Romansh language has official status. - Piz Grevasalvas is a mountain of the Albula Alps, located north of Maloja in the canton of Graubunden. It lies on the range between the Julier Pass and Lake Sils. - Piz Corvatsch is a mountain in the Bernina Range of the Alps, overlooking Lake Sils and Lake Silvaplana in the Engadin region of the canton of Graubunden. With an elevation of , it is the highest point on the range separating the main Inn valley from the Val Roseg. Aside from Piz Corvatsch, two other slightly lower summits make up the Corvatsch massif: Piz Murtel (north of Piz Corvatsch) and the unnamed summit where lies the Corvatsch upper cable car station (north of Piz Murtel). Politically, the summit of Piz Corvatsch is shared between the municipalities of Sils im Engadin and Samedan, although the 3,303 m high summit lies between the municipalities of Silvaplana and Samedan. The tripoint between the aforementioned municipalities is the summit of Piz Murtel. - The Engadin or Engadine (, , ; lit.: "Valley of the Inn people") is a long high Alpine valley region in the eastern Swiss Alps located in the canton of Graubunden in most southeastern Switzerland with about 25,000 inhabitants. It follows the route of the Inn from its headwaters at Maloja Pass in the southwest running roughly northeast until the Inn flows into Austria, one hundred kilometers downstream. The En/Inn subsequently flows at Passau into the Donau, as the only Swiss river. The Engadine is protected by high mountain ranges on all sides and is famous for its sunny climate, beautiful landscapes and outdoor activities. - St. Moritz (also , , ) is a high Alpine luxury resort in the Engadine in Switzerland, at an elevation of about above sea level. It is Upper Engadine's major village and a municipality in the district of Maloja in the Swiss canton of Graubunden. - Lake Silvaplana is a lake in the Upper-Engadine valley of Grisons, Switzerland. It takes its name from the village of Silvaplana. The lake is also connected to the nearby Lej da Champfer. Together with its larger neighbour, Lake Sils, it is among the largest lakes of the Grisons. Lake Silvaplana is overlooked by several mountains over 3,000 metres, notably Piz Corvatsch, Piz Julier and Piz Surlej. The lake's drainage basin culminates at Piz Corvatsch (3,451 m) and comprises several glaciers, the largest being the Vadret dal Tremoggia. - France, officially the French Republic, is a country with territory in western Europe and several overseas regions and territories. The European, or metropolitan, area of France extends from the Mediterranean Sea to the English Channel and the North Sea, and from the Rhine to the Atlantic Ocean. Overseas France include French Guiana on the South American continent and several island territories in the Atlantic, Pacific and Indian oceans. France spans and had a total population of almost 67 million people as of January 2017. It is a unitary semi-presidential republic with the capital in Paris, the country's largest city and main cultural and commercial centre. Other major urban centres include Marseille, Lyon, Lille, Nice, Toulouse and Bordeaux. What object entity has the relation of 'lake inflows' with the subject 'lake st. moritz'? Choices: - albula - inn - rhine - rhone - ticino - ural river
inn