The source of the Dřevnice river is located in the Hostýnské hills at the turn of the yellow tourist sign leading from Troják through Tisový, Kašava to Velíková. Drevnice springs at a height of 551 m above sea level. (the sign indicates 503m) and as a left-hand tributary it flows into the Morava in Otrokovice after 42.3 km. The spring is covered, but the access road is often rutted, muddy and full of uncleared wood.