Track

 
Prerequisite(s): Survival 1+ rank
 
Benefit: You can follow tracks using your survival skills. To follow the tracks for one mile requires a successful survival check. You must make additional checks each time the terrain becomes difficult. You move at 1/2 speed with no penalty, full speed at -5 or double speed at -20. The following table shows different modifiers:
 
Surface DC
Very Soft Ground 5
Soft Ground 10
Firm Ground 15
Hard Ground 20
Condition Modifier
Every 3 creatures in group being tracked -1
Size of Creature Tracked Modifier
Fine +8
Diminutive +4
Tiny +2
Small +1
Medium 0
Large -1
Huge -2
Gargantuan -4
Colossal -8
Each 24 hours trail cold +1
Each hour of rain +1
Fresh snow +10
Overcast or Moonless night +6
Moonlight +3
Fog or Precipitation +3
Tracked party concealing tracks +5

If you fail a survival check, you can retry after on hour outdoors or 10 minutes indoors.

  Source: Players Handbook