TypeDescriptionFoot (Off-Road)Foot (Road)Detection DC
PlainsFlat, open grassland2 hours2 hours10
WastelandBarren, irradiated desert2 hours2 hours10
HillsElevated terrain, uneven ground3 hours2 hours13
WoodsDense forest, limited visibility3 hours2 hours15
UrbanRuined city blocks, dense buildings3 hours2 hours15
SwampMurky, difficult terrain4 hours2 hours17
MountainsSteep, treacherous terrain5 hours3 hours17
RiverWater crossing, may require fording or bridgeSpecial2 hours (Bridge)12

Rivers: Without a bridge, crossing a river requires an 🏋️ Athletics Test or finding an alternate route. A Bridge tile treats the River as standard 2-hour terrain.