The Delger mörön () is a river in the Khövsgöl aimag in northern Mongolia. It rises in the Ulaan Taiga range close to the Russian border. It is long, and has a drainage basin of .Мурэн (река в МНР), Great Soviet Encyclopedia

Together with the Ider River, it is the headwaters of the Selenge River. It meets with the Ider at Tömörbulag, thereafter becoming the Selenge.

The Delger mörön is frozen for 128–175 days through the year. There is a ferry in Bayanzürkh, and a concrete bridge just south of Mörön.

See also List of rivers of Mongolia

References

M. Nyamaa, Khövsgöl aimgiin lavlakh toli, Ulaanbaatar 2001, p. 77 www.medeelel.mn: Дэлгэр мөрөн