[1] The locality is bounded to the south by Lake Wivenhoe and to the east and north by the Brisbane River.

[4] The locality name derives from the Caboonbah Homestead built by Henry Plantagenet Somerset.

[2] Caboonbah Homestead was built in 1889-90 for grazier Henry Plantagenet Somerset and his wife Katherine Rose (née McConnel) and their family.

[6] Caboonbah Homestead was on Esk-Kilcoy Road, now with the neighbouring locality of Lake Wivenhoe.

It is located on Cressbrook-Caboonbah Road (27°08′03″S 152°28′02″E / 27.13412°S 152.46732°E / -27.13412; 152.46732 (Caboonbah Undenominational Church)), now within the neighbouring locality of Mount Beppo.