Control Line

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Wildfire Knowledge Graph · Operations

Working definition

A constructed or natural barrier, together with treated fire edges, used to control a wildfire.

In plain language

It is the working boundary firefighters expect the fire not to cross. It may combine handline, dozer line, roads, burned areas or other barriers.

Why it matters

Containment depends on the status and reliability of control lines, not simply on drawing a perimeter around the fire.

Primary terminology sourceOpen official reference ↗

Tecnobosque explanation reviewed 12 September 2026. Source definitions are authoritative within their stated jurisdiction; the explanatory text above is an independent technical synthesis.