A Quarter pipe is a ramp used in extreme sports which resembles a quarter of the cross section of a pipe. They are most commonly found in skatepark

Skatepark

A skatepark is a purpose-built recreational environment made for skateboarding, BMX, aggressive inline skating and scooters. A skatepark may contain half-pipes, quarter pipes, spine transfers, handrails, funboxes, vert ramps, pyramids, banked ramps, full pipes, pools, bowls, snake runs stairsets,...

s and a skiing/snowboarding terrain park

Terrain park

A terrain park is an outdoor area that contains terrain that allows skiers and snowboarders to perform tricks. Terrain parks have their roots in skateparks and many of the features are common to both. One of the first in-bounds terrain parks was the "Snowboard Park" built in 1990 at the Vail...

, although the trained eye of an extreme sports fan can find them in modern day architecture. It has a progressively steepening transition, which begins at the ground, and ends at a metal rail or plastic piping called the coping

Coping (architecture)

Coping , consists of the capping or covering of a wall.A splayed or wedge coping slopes in a single direction; a saddle coping slopes to either side of a central high point....

. Riders/skaters may use the ramp to launch themselves into the air, landing back on the ramp transition, or to 'stall' or 'grind' on the coping

Coping (architecture)

Coping , consists of the capping or covering of a wall.A splayed or wedge coping slopes in a single direction; a saddle coping slopes to either side of a central high point....

.

Two quarter pipes can be placed opposite to each other to form a half pipe

Half-pipe

A half-pipe is a structure used in gravity extreme sports such as snowboarding, skateboarding, skiing, freestyle BMX, and inline skating. The structure is wood, concrete, metal, earth, or snow. It resembles a cross section of a swimming pool, essentially two concave ramps , topped by copings and...

, or they can be placed back-to-back to form a spine ramp.

See also

• Vert ramp
  Vert ramp
  A vert ramp is a form of half-pipe used in "extreme sports" such as skateboarding.Another form of half-pipe is the mini ramp.Vert ramps are so named because they transition from a horizontal plane to a vertical wall....
  
  
• Mini ramp
  Mini ramp
  A mini ramp is a type of half-pipe which is typically less than high. Any ramp smaller than this that is not a vert ramp & is commonly called a mini ramp. Mini ramps can be as small as in height. While many ramps this size are designed to be forgiving to beginners, some are built more...
  
  
• Half-pipe
  Half-pipe
  A half-pipe is a structure used in gravity extreme sports such as snowboarding, skateboarding, skiing, freestyle BMX, and inline skating. The structure is wood, concrete, metal, earth, or snow. It resembles a cross section of a swimming pool, essentially two concave ramps , topped by copings and...
  
  
• Mega Ramp
  Mega Ramp
  A Mega Ramp is the informal name given to any large-format vert ramp structure used in freestyle BMX and skateboarding. The name distinguishes a second generation of ramps which became increasingly popular during the 1990s-2000s transition years...
  
  
• Launch Ramp
• Skateboarding
  Skateboarding
  Skateboarding is an action sport which involves riding and performing tricks using a skateboard.Skateboarding can be a recreational activity, an art form, a job, or a method of transportation. Skateboarding has been shaped and influenced by many skateboarders throughout the years. A 2002 report...