Bayan-Ovoo has a continental climate (Köppen climate classification Dwb) with warm summers and severely cold winters.
Sum center is Olon Ovoo railway station on Trans-Mongolian Railway(Ulan Bator - Beijing) line and abandoned Soviet air force base location.
He was enthroned as the Avshaa Gegeen in Ongiin Gol (present-day Saikhan-Ovoo) Monastery by Ishdonilhudev Rinpoche.
It was completely destroyed in 1939 under Khorloogiin Choibalsan, the then president and leader of the Communist Party of Mongolia.
Judoka Naidangiin Tüvshinbayar, Mongolia's first Olympic gold medalist, hails from Saikhan.
Tsogt-Ovoo has a cold desert climate (Köppen climate classification BWk) with very warm summers and very cold winters.