A ski jumping hill is a sports venue used for ski jumping. They vary in size from temporary handmade snow structures to permanent competition venues. At the top is an in-run where the jumper runs down
The twin hills of Lysgårdsbakken in Lillehammer, Norway: the normal HS100 hill to the right, the large HS138 hill to the left
Ski jump at Puijo in Kuopio, Finland
View of the sports complex «Raubichi» from top of the ski jump in Minsk, Belarus
The construction point, also known as the K-point or K-spot and formerly critical point, is a line across a ski jumping hill. It is used to calculate the number of points granted for a given jump. It
Ski jumping hill
…until landing on the landing slope. The last part of the hill is the out-run, which may be either flat or even uphill, allowing the jumper to stop. The construction point (K point) is used to determine the distance points for a particular length. The size of a hill is measured in the hill size. Hills with a hill size…
Letalnica Bratov Gorišek in Planica, Slovenia. The K-point is marked with a horizontal line at the top of the red vertical line, while the line at the bottom is the hill size point.