CFA crews responded to a washaway as a result of an incident on Friday 13 October in Upper Ferntree Gully.
A CFA spokesperson said Victoria Police and Ambulance Victoria were on scene at Burwood Highway.
Crews discovered a two motor vehicle nose to tail incident.
One passenger was in the hands of Ambulance Victoria.
The CFA spokesperson said the incident was deemed under control at 4:43pm and safe at 5:11pm.