Mimosa Rocks

Mimosa Rocks National Park is a spectacular coastal park on the far south coast of New South Wales, stretching along approximately 17 kilometres of coastline between Bermagui and Tathra in the Bega Valley. Covering approximately 5,800 hectares, the park protects a diverse mosaic of coastal habitats including rocky headlands, sea caves, coastal lagoons, heathland, and wet sclerophyll forest. The park's coastline is one of the most scenic and wild stretches of the NSW south coast, characterised by dramatic rock platforms, blowholes, and accessible beaches backed by heathland and forest.

Mimosa Rocks National Park supports exceptional coastal wildlife. Australian fur seals bask on offshore rocks and platforms throughout the year. Little penguins breed in burrows on suitable headlands. Humpback whales and southern right whales migrate along the coast in winter and spring. Dolphins are regularly observed in the bays. The coastal heathland supports diverse small birds. Brush turkeys and lyrebirds inhabit the wetter forest sections. Rock wallabies and echidnas are common. The coastal lagoons and wetlands attract waterbirds and wading birds.

Coastal heathland dominates the exposed ridges and headlands, with spectacular wildflower displays of banksias, hakeas, waratahs, and native orchids in spring. The moist gullies shelter subtropical and warm temperate rainforest elements including bangalow palms and coachwood. Tall wet sclerophyll forest with blue gum and flooded gum covers the middle slopes. Coastal saltmarsh and paperbark wetlands fringe the lagoons. The park's diverse topography supports an exceptional variety of vegetation communities.

Mimosa Rocks National Park is underlain by Silurian and Devonian granite and metamorphic rocks of the Lachlan Fold Belt, exposed along the coast as dramatic headlands, sea stacks, and rock platforms. The rocky coastline has been shaped by wave erosion along geological fractures, creating the characteristic caves, arches, and blow holes. The coastal lagoons occupy former river valleys drowned by post-glacial sea level rise. The granitic headlands create distinctive habitat for marine life.

The park has a temperate coastal climate moderated by the Tasman Sea. Annual rainfall is approximately 800 to 1,000 millimetres. Summers are warm, typically 22 to 26°C, moderated by sea breezes. Winters are mild with occasional frosts inland. Spring and autumn are ideal visiting seasons with comfortable temperatures and smaller crowds.

The Yuin people are the traditional custodians of the far south coast. Middens, artefact scatters, and other evidence of Aboriginal occupation are found throughout the park. The coast provided abundant marine resources including fish, shellfish, and seal. European settlers established farming and timber operations in the surrounding valleys in the 19th century.

Mimosa Rocks National Park was gazetted in 1972, protecting the coastal scenery and wildlife of the far south coast from increasing development pressure. The park's establishment preserved a significant stretch of undeveloped coastline and associated habitats.

The coastal walking track provides access to spectacular headlands, sea caves, and beaches including Aragunnu, Picnic Point, and Gillards Beach. The blowholes are dramatic in heavy swell. Fur seal colonies are viewable from headland lookouts. Swimming, snorkelling, fishing, and kayaking are popular. Wildflower displays in spring are outstanding.

The park has several campgrounds including Aragunnu, Picnic Point, and Gillards, with basic facilities including toilets and fireplaces. Access is via roads from Bermagui and Tathra. Bermagui and Tathra provide visitor services. The park is approximately 380 kilometres south of Sydney. A national parks pass applies.

Protecting fur seal and penguin breeding areas from human disturbance is a management priority. Weed control focuses on bitou bush and boneseed on coastal headlands. Managing visitor pressure on the popular camping areas and beaches while protecting the ecological values is an ongoing challenge. The park's coastal lagoons are monitored for water quality.