These dune gullies are located in an unnamed crater just north of the Richardson Crater, which also contain dune gullies.
HiRISE is monitoring the seasonal activity of gullies in this location and in other dune fields in the southern midlatitudes and northern polar region.
Written by: HiRISE Science Team (29 June 2011)
More info and image formats at http://hirise.lpl.arizona.edu/ESP_022255_1095
Image: NASA/JPL/University of Arizona