Modify the arrowhead size of an arrow line symbol in ArcGIS Pro

Summary

In ArcGIS Pro, the arrowhead of an arrow line symbol is a shape marker symbol layer that defines the shape and appearance of the symbol. This article provides the workflow to modify the size of the arrowhead of an arrow line symbol.

The image below shows the arrow line symbol before the size of the arrowhead is modified.

Procedure

1. In ArcGIS Pro, in the Contents pane, click the arrow line symbol to open the Symbology pane.

2. In the Symbology pane, under Format Line Symbol, click the Properties tab.
3. On the Properties tab, click Layers.
4. On the Layers tab, click the arrowhead shape marker symbol layer to modify the arrow.

5. Expand the Appearance section.
6. For Size, select the preferred size value.
7. Click Apply.

The image below shows the size of the arrowhead modified.