Șumuleul Mare River
 The Șumuleul Mare (also: Șomleul Mare Hungarian: Nagy-Somlyó Hungarian pronunciation:[ˈnɒɟ ʃomjoː]) is a small river in the Gurghiu Mountains Harghita County central Romania. It is a left tributary of the river Mureş. It flows through the municipality Ciumani and joins the Mureș near the village Ciumani. It is fed by several smaller streams including Bolo.