108 Small erosion gully

Geometry: line.

Definition

A small erosion gully or trench which is a significant aid to navigation, where riders should not need to dismount. Contour lines should be broken around this symbol.

Parameters

Minimum depth is 0.5 m.

Minimum length (isolated): three dots (1.6 mm – footprint 24 m).

Colour: brown.

Comments

Optional symbol.