Horizon Walker Dedication
FEAT 2 trained in Survival
You've mastered travel within a specific type of terrain. You gain the Favored Terrain feat.
When in your favored terrain, you gain a +10-foot circumstance bonus to your travel Speed. When other creatures Follow the Expert with you as a guide in your favored terrain, they gain both the ability to ignore non-magical difficult terrain for the purpose of their travel Speed and the bonus to travel Speed.
Pathfinder Advanced Player's GuideOGL