Cup Trench

What is Cup Trench?

Cup Trench meaning in Safety terms is

  • A fireline trench on the downhill side of fire burning on steep slopes that is supposed to be built deep enough to catch rolling firebrands that could otherwise start fire below the fireline. A high berm on the outermost downhill side of the trench helps the cup trench catch material. Also known as gutter trench. 


reference: Glossary A – Z | National Wildfire Coordinating Group