Nymboida

Nymboida National Park is a subtropical rainforest and river park in the Clarence Valley of northern New South Wales, located in the ranges between Grafton and Dorrigo. Covering approximately 56,875 hectares, the park protects extensive areas of subtropical rainforest, warm temperate rainforest, and wet sclerophyll forest on the Great Dividing Range escarpment. The park is part of the Gondwana Rainforests of Australia World Heritage Area and contributes to the conservation of the Clarence Valley's outstanding rainforest landscapes. The Nymboida River and its tributaries create dramatic gorges through the park's rugged terrain.

Nymboida National Park supports exceptional subtropical rainforest biodiversity. The platypus is abundant in permanent river reaches. The koala is present in woodland communities. The Hastings River mouse and other threatened small mammals inhabit the dense forest. Albert's lyrebird and diverse rainforest birds including Wompoo fruit-dove and regent bowerbird are present. The park's large size and intact vegetation support viable populations of forest-dependent wildlife.

Subtropical rainforest dominates the park's fertile basaltic soils and sheltered valleys, featuring exceptional diversity of vine forest species including hoop pine, strangler figs, and diverse laurels. Warm temperate rainforest with coachwood and sassafras occurs on cooler aspects. Tall wet sclerophyll forest forms the transition to open forest. The park's rainforest is among the most extensive and least disturbed in the Clarence Valley.

The park is underlain by basaltic rocks associated with the Cenozoic volcanism of the Clarence Valley hinterland, with metamorphic rocks in the deeper valleys. The combination of fertile basaltic soils and high rainfall supports the luxuriant subtropical rainforest.

Warm subtropical climate with high rainfall, approximately 1,400 to 2,000 millimetres annually. Summers are warm and humid. Winters are mild. The high rainfall maintains the subtropical rainforest communities.

The Gumbaynggirr people are the traditional custodians of the Clarence Valley. The rainforest ranges were important cultural landscapes. European timber operations logged the accessible rainforest from the late 19th century.

Nymboida National Park was established as part of the Gondwana Rainforests World Heritage Area conservation network. The park's large size and intact vegetation are its primary conservation values.

The park offers walking through subtropical rainforest and access to river swimming holes and gorge scenery. Birdwatching for rainforest species is excellent. The park is less visited than the more accessible Dorrigo National Park and provides a wilder rainforest experience.

The park has limited visitor facilities. Access is via roads from Grafton and Dorrigo. Those communities provide visitor services. A national parks pass applies.

Lantana control in the rainforest edges is the primary management challenge. The park's World Heritage values require ongoing protection. Wildlife movement corridors to adjacent protected areas are maintained.