| A continuous region of snow cover that is deemed to be impassable in the context of transport-related activities. |
| •owl:Thing |
| •SpatioTemporalThing |
| •Endurant |
| •PhysicalEndurant |
| •PhysicalObject |
| •NonAgentivePhysicalObject |
| •PhysicalPlace |
| •PlanetaryStructureObject |
| •MeteorologicalRegion |
| •AreaBlockedBySnow |