Ephemeral rivers in western Namibia are unique entities that support both natural vegetation and human activities. This paper presents an approach for observing riparian vegetation along them synoptically using remotely sensed datasets, derived from a satellite borne sensor named SPOT-VEGETATION. Keywords: riparian vegetation, ephemeral rivers, flow accumulation model, Namibia, Normalized Difference Vegetation Index, Normalized Difference Water Index, Spotvegetation.