Bournda National Park spans from Kianinny Bay, on the southern side of Tathra, south for about 13 km.

[4] Finally, Bournda Lagoon is a brackish (half salt water / half fresh water) lagoon that is periodically open to the ocean.

The lagoon is a popular swimming spot for locals and campers alike.

Adjacent to the park is the Bournda Nature Reserve, which was established in 1972 and is 6,088 ha in size.

[5] Both areas are included in the management plan by the National Parks and Wildlife Service.