The Point Lonsdale section of the park is located between Queenscliff and the western side of the Port Phillip entrance. Many of the rocks that
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The Point Lonsdale section of the park is located between Queenscliff and the western side of the Port Phillip entrance. Many of the rocks that make up the reefs as well as rocks and cliffs above the water are made of ancient dune limestone or calcarenite. This readily weathered rock is made of sand grains that have been cemented together by the high amounts of calcium carbonate derived from shells. The outer limits of the park at Point Lonsdale can be subject to strong currents when water is moving in and out of The Heads.
The intertidal reef is a great place for beginner and advanced snorkellers, as well as divers, to explore and experience a diverse array of Victoria’s marine life.
Visitors can find a channel through Lonsdale Reef, around 20m wide and 2-4m deep, which contains a small forest of Giant Kelp. This was created by fishermen seeking an easier entrance to the bay through the Rip in their small fishing boats. Snorkelling around Point Lonsdale jetty and nearby reef is very popular in the summer months.
The deeper waters of the area contain fascinating structures including deep water cliffs, caverns, rocky reef walls, sponge gardens and kelp beds.
The popular dive site, Lonsdale Wall, is composed of a series of ledges which mark the edge of the historical course of the Yarra River. Starting at 15m deep, the ledges drop to 90m and extend for up to 1km. Vertical walls, sheltered caves, ledges and overhangs support dazzling sponge gardens, over 43 species of fish and encrusting algae. Other creatures include corals, anemones, gorgonians, hydroids and sea tulips.
Lonsdale Reef near Point Lonsdale has four visible and recognisable shipwrecks - the iron sailing barques George Roper, Holy head and Gang, and the gold rush steamer Conside.