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Treachery Beach (NSW 219) also known to surfers as Yagon, lies on the south side of the prominent Treachery Head and trends west-southwest for 1.9 km to the smaller Yagon Gibber Headland, which reaches 50 m in height. The beach can be accessed by vehicle, with the privately owned Treachery Camp on the northern headland, which offers a range of beachside accommodation and camping. Twenty to thirty metre high foredunes back the beach, the southern portion of which was mined for heavy minerals in the late 1970s. The beach has now returned to a more natural state, with the national park extending west of the camp camping area. The beach faces southeast and receives waves averaging 1.6 m which maintain a double bar system characterised by an attached inner bar and an outer bar. The inner bar is usually cut by 3-4 beach rips while topographic rips run out against both headlands and two large rips originate in the trough and cross the outer bar (Fig. 4.122). As the name implies this is a treacherous beach, with sharks also a common sight.
Beach Length: 1.85km
General Hazard Rating: 7/11

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.


Formal parking area
Formal parking area




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.