Purpli, Dagdas parish, +371 25727379, tic.dagda@kraslava.lv, https://www.latvijas-pilskalni.lv/dagdas-pilskalns/
The Dagda castle mound with settlement is an archaeological monument of national importance. A well equipped place for walking and resting. The height of the castle mound is about 20 m. It is said that a large amount of gold was buriet on this mountain during the war. This is one of the few castle mounds in Latgale, about which some information can be found in literature, which was given in 1882 by A. Bilenstein.