Mullumbimby is a town in the
Northern Rivers region of
New South Wales, Australia in
Byron Shire. It promotes itself as
The Biggest Little Town in Australia. The town lies at the foot of
Mount Chincogan in the
Brunswick Valley about 9 kilometres (5.5 miles) by road from the coast. At the , Mullumbimby and the surrounding area had a population of 3,172 people. Locals refer to the town as "Mullum".