Firefighters and teams from Loch Lomond Boat Rescue scrambled to the blaze on Inchconnachan on Saturday night.
There were no reported casualties." They had been alerted to the blaze ripping through an old boathouse on the island, which is in the Trossachs National Park and has been home to a population of wallabies since the 1940s. A huge inferno broke out at a log cabin on a deserted island in Loch Lomond at the weekend.