Fremri–Emstruá, a river from under Entujökull, a tongue of the Mýrdalsjökull glacier. Bridged in 1978 by the Touring Club of Iceland then again in 1988 after the first footbridge was swept away in floods.
Innri–Emstruá, a river falling from the Mýrdalsjökull glacier into Markarfljót. Bridged in 1975.