The fire has been put out.
Fire crews were able to prevent it from spreading to nearby buildings.
The garage and contents, which included a motorbike, have been destroyed.
The initial estimated damage bill is $30,000.
The cause of the fire has been determined as accidental.
Firefighters are working to extinguish a garage alight in Kaleen.
ACT Fire & Rescue was alerted to the incident in Cataract Street just before 1 o’clock.
The colourbond double garage is well alight but detached from the house at the property.
There are three fire trucks and a commander on scene.
The ACT is providing a fourth taskforce for the day to the Carwoola fire tonight to support the NSW Rural Fire Service.
This deployment will work on the fireground overnight and will be made up of six ACT Rural Fire Service units and a commander.
The three ACT taskforce groups sent to the incident this morning have all returned home.
The ACT State Emergency Service also continues to provide support officers to the Queanbeyan Fire Control Centre and a light tower at the ESA helibase at Hume.
A woman has been injured this morning while walking up Mount Ainslie.
The ACT Ambulance Service was called to the popular walking track at 9:30am.
Intensive care paramedics discovered a 60 year old woman with an ankle injury about halfway up the mountain.
She was stablished on scene then stretchered back down to the car park area by ACT Fire & Rescue firefighters.
The woman was taken to the Canberra Hospital in a stable condition.
The ACT is sending a further three taskforces to the Carwoola fire south east of Queanbeyan this morning to support the NSW Rural Fire Service.
Each strike team is made up of five ACT Rural Fire Service firefighting trucks and a commander.
The ACT’s two bushfire helicopters will also be deployed to the fireground today.