Riprap

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Riprap (English)
捨石 (日本語)
Riprap seawall in San Clemente, CA
Another riprap seawall in San Clemente

Layer, facing or protective mound of stones randomly placed to prevent erosion of upland areas. Also the name of the stone so used.

Riprap is frequently used to construct jetties, groins, seawalls and other Shoreline Structures.



This article is part of a series on Shoreline Structures looking at types of structures commonly built along shorelines, and the policies, laws, and regulations which can affect where and under what conditions they are built.

For information about laws, policies and conditions impacting shoreline structures in a specific state, please visit Surfrider's State of the Beach report to find the State Report for that state, and click on the "Shoreline Structures" indicator link.