In his young years, Kosma, made walking pilgrimages to the Kiev Pechersk Lavra, traveled to the Troitse-Sergiyeva Lavra, to the far north Valaam and Solovki monasteries, and to Jerusalem and Holy Land in 1895.
After returning to the Russian Empire, Kosma visited elder Jona of Kiev, who was widely known for his clairvoyance and wonder working.