Gilău, Cluj in the context of "Someșul Rece"

The Someșul Mic (Little Someș, Hungarian: Kis-Szamos) is a river in north-western Romania (Cluj County). At its confluence with the Someșul Mare in Mica, the Someș is formed. Its total length is 178 km (111 mi), and its drainage basin area is 3,773 km (1,457 sq mi). It is formed at the confluence of two headwaters, Someșul Cald ("Warm Someș") and Someșul Rece ("Cold Someș"), that originate in the Apuseni Mountains. From the confluence, in Gilău, the Someșul Mic flows east and north through Cluj-Napoca, Apahida and Gherla, until it meets the Someșul Mare in Dej.

The Cluj metropolitan area is a metropolitan area in Cluj County, which includes Cluj-Napoca and 18 communes nearby: Aiton, Apahida, Baciu, Bonțida, Borșa, Căianu, Chinteni, Ciurila, Feleacu, Florești, Gilău, Gârbau, Jucu, Petreștii de Jos, Săvădisla, Sânpaul, Tureni, Vultureni.

The total area of the metropolitan area is 1,364 km (527 sq mi), which comprises 24% of the territory of Cluj County. According to the 2021 census, the population of the 20 administrative units totals 420,839 people, of whom 286,598 live in Cluj-Napoca.

The Someșul Cald (Hungarian: Meleg-Szamos; literally "Warm Someș") is the left headwater of the river Someșul Mic in Romania. It joins the Someșul Rece in Lake Gilău, a reservoir near Gilău.

The reservoirs Mărișelu, Tarnița and Someșul Cald are located on this river.