Meet the site
North Horn is the northern tip of Saxon Reef and appears as a separate mooring in Australian Traveller's list of Saxon sites. It is the 'untouched northern end' that Divers Den reaches on its calm-day reef-edge dive from the Magic Wall mooring, and it is visited less often than the sheltered western sites. A horn, in Great Barrier Reef terms, is the tapering end of a crescent-shaped reef where the reef edge curves back on itself, and such points typically have the strongest water movement on the reef, the healthiest hard corals and the most fish. North Horn follows that pattern: operators describe humpback snapper, giant trevally, fusiliers, Moorish idols, paddletail snapper, turtles and rays along the northern edge, and Saxon's wider fauna of whitetip and grey reef sharks, wobbegongs, large cod and nudibranchs is also present. The coral on the exposed edge is dominated by robust plate, table and boulder forms, with soft corals and fans in the more sheltered pockets and at depth. Because the horn catches the current, the dive can be run as a gentle drift in the right conditions, with the boat picking divers up in the lee. Visibility tends to be good, often 15-20 m or more. It suits divers with some experience and a comfort with current; in stronger flow it is better left for another day. Site-specific published detail is limited, so the route should follow the guide's briefing. It pairs naturally with a sheltered second dive at Twin Peaks or Coral Gardens.
What you might see
Humpback snapper, giant trevally, fusiliers, Moorish idols, paddletail snapper, turtles, rays, whitetip and grey reef sharks, wobbegong sharks, large cod, nudibranchs
Location
Lightly dived northern end of Saxon Reef, about 55 km north-east of Cairns, listed as 'North Horn' among Saxon's moorings.
Facilities nearby
Departs Reef Fleet Terminal / Marlin Marina, Cairns: toilets, cafes, paid parking; dive gear, tanks and lunch supplied on board
Before you make plans
Conditions, access and operator schedules can change. This is a location guide, not a dive plan. Ask a local operator about current conditions and suitability for your training and experience.
Sources & further reading
australiantraveller.comdiversden.com.auRecord updated 27 Sept 2026. Source claims are being reviewed.