It is located about 15 kilometres (9.3 mi) south-east of the town of Oatlands.

The 2016 census determined a population of 75 for the state suburb of Mount Seymour.

[2] Mount Seymour (the mountain) is in the north of the locality.

[3] The C312 route (Tunnack Road) enters from the west and runs through to the south-east, where it exits.

Route C315 (Black Gate Road) starts at an intersection with C312 and runs west until it exits.