Indirectly Visible Area

What is Indirectly Visible Area?

Indirectly Visible Area meaning in Safety terms is

  • Ground, or the vegetation growing thereon, that is not directly visible to a fixed point lookout but lies at not more than a specified depth (commonly 300 feet, 91 meters) below the lookout’s line of sight. 


reference: Glossary A – Z | National Wildfire Coordinating Group