[1] The Calliope River forms the south-western boundary of the suburb before flowing north through the suburb into the bay (23°48′59″S 151°13′37″E / 23.8163°S 151.2269°E / -23.8163; 151.2269 (Calliope River (mouth))) of Port Curtis (23°49′05″S 151°15′20″E / 23.8181°S 151.2556°E / -23.8181; 151.2556 (Port Curtis)).

[16] In January 1847 Colonel George Barney led a settlement party from Sydney to Port Curtis to establish the short-lived Colony of North Australia.

[7] The suburb takes its name from the railway station which was assigned in August 1967 by Queensland Railways Department to their locomotive servicing facility, using an Aboriginal word (probably from a New South Wales area), meaning plenty of hills.

[5] Central Queensland University operates its Gladstone Marina campus on Bryan Jordan Drive in the north-east tip of Callemondah (23°50′08″S 151°14′55″E / 23.8356°S 151.2487°E / -23.8356; 151.2487 (Central Queensland University campus)),[19] which is linked by a bridge across the Auckland Inlet to Gladstone Central.

As the name suggests, the campus is adjacent to the Gladstone Marina.

It is adjacent to Auckland Inlet but separated from it by a rock and concrete wall.

[21] The lake receives stormwater run-off from the roofs and streets of the local area.

[26][27][28] There is a boat ramp and floating walkway off Hanson Road near the Gladstone Power Station providing access to the Calliope River (23°50′48″S 151°12′46″E / 23.8466°S 151.2127°E / -23.8466; 151.2127 (Powerhouse boat ramp)).