Toowoomba gaol was located at the back of what is known as the Old Toowoomba Court House at 90 Margaret St.
The actual gaol itself was situated behind the old courthouse at the end of Stirling St.
The construction of the gaol was completed in 1864.
A plaque was erected on the site of the goal on Thursday 9th December 2004 recognising the site as location of the gaol.
The gaol was initially designed to hold 46 prisoners
The gaol was closed on October 1903.
The prison was demolished in 1904.