Famous hollow reef on the North Shore. The left (Pipeline) and the right (Backdoor) both peel over a shallow reef, with extra reefs further out as swells grow.
Break
reef break, lefts and rights; faces NW
Level
advanced
Best swell
NW, W, N
Best wind
S, SE, SW (offshore)
Best tide
low to mid tide
Season
November to February
Typical size
1.5-5 m
Crowd
high
Hazards
Very shallow lava reef; Heavy, hollow lip; Sand shifts can cause closeouts; Dense crowds and localism