This region of Mars has been long studied for its evidence of glacial-like flow features. The landscape is dominated by flat top mesas and flat valley floors. But a closer look shows evidence that soil material is flowing ever so gradually from the edges of the mesas out into the valleys.
Image cutout is less than 5 km (3 mi) across and the spacecraft altitude was 299 km (186 mi). For full observation details including images with scale bars, visit the source link.
www.uahirise.org/ESP_028313_2220
NASA/JPL-Caltech/University of Arizona