Firefighters were called to a shed fire at Osbornes Flat Road, Osbornes Flat, about 9.20am this morning.
District 24 Assistant Chief Fire Officer (ACFO) Adrian Gutsche said 10 tankers and volunteer firefighters from Yackandandah, Allans Flat, Kiewa, Leneva, Wodonga, Wooragee, Baranduda and Tawonga fire brigades responded to the incident, along with district support vehicles and a Fire Rescue Victoria appliance.
The District 24 rehab van also attended to support Breathing Apparatus wearers.
On arrival, the shed was fully alight and it was destroyed in the fire along with a camper trailer, boat and tools kept within it.
"Our firefighters did a great job to contain the fire within about 30 minutes and prevent further spreading to nearby buildings," ACFO Gutsche said.
The cause of the fire is undetermined and under investigation, but not considered suspicious.