Șercaia (river)
The Șercaia is a left tributary of the river Olt in Romania. It discharges into the Olt in Hălmeag. Its length is and its basin size is. The upper reach of the river, upstream of the confluence with the Holbav is also known as Valea Poiana Mărului. The middle reach of the river, from the junction with the Holbav to the confluence with the Scurta is also known as the Șinca.Tributaries
The following rivers are tributaries to the river Șercaia :