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Seven Mile Beach (NSW 400) is one of the longer beaches on the south coast, at 12.5 km (7.8 mile) in length, and is part of the Shoalhaven River delta. The large river has been supplying fine sand to build out this beach and its 1.5 km wide low barrier. Because of the fine sand, particularly in the northern end, the beach has a wide low gradient. The northern headland is occupied by the settlement of Gerroa, which was established in the 1920s. At the base of the headland Crooked Creek flows out over the beach, with a long footbridge providing access from a car park and park to the northern end of the beach (Fig. 4.325). South of the creek the road runs inland of the beach to Shoalhaven Heads. A caravan park backs the northern 1 km, then the Seven Mile Beach National Park occupies the central 6 km of the beach and backing barrier. The 898 ha Park encompasses a littoral eucalyptus forest with a ground cover of bracken and Burrawang palms. Road access to the beach is provided in the north, and at the central Berry turnoff which has a large park and shady picnic area behind the beach. Four kilometres to the south is a sandy track through the forest to the beach, with the southern access at the Shoalhaven Heads surf club and car park, and from the riverside car park. The long beach sweeps in a gentle arc, initially running west at Gerroa in lee of Black Point, then slowly turning to face the southeast and then east at Shoalhaven Heads. Wave energy is lower in the north owing to protection from Black Head and its seaward reefs, including the Big Bommy. Waves average less than 1 m at Gerroa, but pick up quickly down the beach to average 1.6 m down to Shoalhaven Heads. The fine sand results is a wide flat beach in the north with waves spilling over a wide shallow attached bar. However, as soon as the waves pick up a second outer bar develops and runs the length of the beach (Fig. 4.326). The inner bar is usually attached and cut by rips every 300 m. Waves greater than 1 m begin to break on the outer bar, reform in the 50 m wide deep longshore trough and often break heavily on the edge of the inner bar. At Shoalhaven Heads conditions are most hazardous when the river mouth is open, as strong river and tidal currents can sweep along the beach reinforcing the rips and trough currents (Fig. 4.327). The beach is patrolled here by the Shoalhaven Heads SLSC (founded 1955) and summer lifeguards.
Beach Length: 12.4km
General Hazard Rating: 7/10

Patrolled Beach Flag Patrols

There are currently no services provided by Surf Life Saving Australia for this beach. Please take the time to browse the Surf Safety section of this website to learn more about staying safe when swimming at Australian beaches. Click here to visit general surf education information.


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SLSA provides this information as a guide only. Surf conditions are variable and therefore this information should not be relied upon as a substitute for observation of local conditions and an understanding of your abilities in the surf. SLSA reminds you to always swim between the red and yellow flags and never swim at unpatrolled beaches. SLSA takes all care and responsibility for any translation but it cannot guarantee that all translations will be accurate.