Phanom rung historical park or the Castle Rock phanom rung. Located at MU (Nong Don duckweed), Tambon Ta thumbtack district honor from the town of buriram, down South, approximately 77 kilometers, comprises an important archaeological site, which is located on top of a volcano that is approximately 200 metres off, then from the ground (approx. 350 meters from sea level) that phanom rung is coming from Khmer language, the word วนัรุง means "big mountain.