Hill size is a measurement for the size of a ski jumping hill

Ski jumping hill

A ski jumping hill is a sports venue used for ski jumping. They vary in size from temporary hand-made snow structures to permanent competition venues. At the top is an in-run where the jumper runs down to generate sufficient speed, before reaching the jump. The skier is then airborne until landing...

. It is calculated based on the technical data of a hill based on radius, angle of inclination and record distance. Since mid-2004, hill size became the official measurement for the size of hills, replacing construction point

Construction point

The construction point, also known as the critical point, calculation point, K-point and K-spot, is a line across a ski jumping hill which indicates the hill's steepest point in meters. It was formerly used to classify the size of a ski jumping hill, and to calculate the number of points granted by...

s (also known as K-points, K-spots and critical points), which however remain the basis for issuing points. The distance is measured as a straight line from the takeoff to the knoll, and then follows the landing surface until reaching the hill size point. The world's largest hill is Vikersundbakken

Vikersundbakken

Vikersundbakken is the only ski flying hill in the Nordic countries. With a hill and world record of 246,5 meters, Vikersundbakken is the world's largest ski jumping hill....

 in Vikersund

Vikersund

Vikersund is a town of 2,448 inhabitants in the municipality capital of Modum, in the county of Buskerud, Norway.Vikersund is located 30 kilometers south of Hønefoss and 40 kilometers northwest of Drammen. The village is located at the southwestern arm of Tyrifjorden. The Drammen river enters...

, Norway, which has a hill size of 225 meters, 10 meters more than Letalnica Bratov Gorišek in Planica

Planica

Planica is an alpine valley in northwestern Slovenia, extending south from the border village of Rateče, not far from another well-known ski resort, Kranjska Gora. Further south, the valley extends into the Tamar Valley, a popular hiking destination in Triglav National Park.Planica is famous for...

, Slovenia. The hills normally mark the hill size physically with a horizontal line across the hill.

Classification

Class	Construction point Construction point The construction point, also known as the critical point, calculation point, K-point and K-spot, is a line across a ski jumping hill which indicates the hill's steepest point in meters. It was formerly used to classify the size of a ski jumping hill, and to calculate the number of points granted by...	Hill size Hill size Hill size is a measurement for the size of a ski jumping hill. It is calculated based on the technical data of a hill based on radius, angle of inclination and record distance...
Small hill	<45	<50
Medium hill	45–74	50–84
Normal hill	75–99	85–109
Large hill	100–169	110–184
Ski flying hill	≥170	≥185

Nearly all competitions in the FIS Ski Jumping World Cup use large hills and ski-flying hills, with the largest being Mühlenkopfschanze

Mühlenkopfschanze

Mühlenkopfschanze is a German ski jumping hill, located in Willingen. It is the world's biggest large hill, and holds World Cup events every year....

 in Germany. In addition, there is an bi-annual FIS Ski-Flying World Championships, which is held in one of the world's five ski flying hills: Vikersundbakken

Vikersundbakken

Vikersundbakken is the only ski flying hill in the Nordic countries. With a hill and world record of 246,5 meters, Vikersundbakken is the world's largest ski jumping hill....

 in Norway, Letalnica Bratov Gorišek in Slovenia, Čerťák

Certák

Čerťák is a ski jumping hill located in the city of Harrachov in the Czech Republic. The venue is most notable for being one of five ski flying hills in the world, though it also has three smaller hills close by. It is owned by the sports club TJ Jiskra Harrachov...

 in the Czech Republic, Heini Klopfer Ski Jump in Germany and Kulm

Kulm (venue)

Kulm is a ski flying hill located in Tauplitz, Austria. It is one of only five venues of this type in the world, allowing for jumps of 200 metres and over...

 in Austria. These all have a hill size of at least 185. In the FIS Ski Jumping Continental Cup, and FIS Womens' Ski Jumping Continental Cup, both normal and large hills are used. In the Winter Olympics

Ski jumping at the Winter Olympics

Ski jumping has been included in the program of every Winter Olympic Games. From 1924 through 1956, the competition involved jumping from one hill whose length varied from each edition games to the next. Most historians have placed this length at 70 meters and have classified this as the large hill...

, there is one competition in the normal hill, one in the large hill, and a team competition in the large hill.