Diving the Cape Peninsula and False Bay/Rachel's Reef

The dive site Rachel's Reef is an offshore, rocky reef in the Karbonkelberg marine reserve area on the Cape Peninsula, near Hout Bay, a suburb of Cape Town in the Western Cape province of South Africa.

Diving the Cape Peninsula and False Bay/Rachel's Reef Halal Travel Guide

Rachel's Reef map - Map of the dive site at Rachel's Reef near Duiker Point on the Cape Peninsula Blue Flash Reefs map - Map of the Blue Flash Reefs, showing Rachel's Reef to the north-east}}

Thit is a pleasant little pinnacle with extensive deeper surrounding reef.

Position

S34°01.431' E018°18.151' Rachel's Reef GPS -34.02385,18.302517 (pinnacle), a moderate distance offshore from Oude Schip headland, on the north side of Leeugat Bay, known locally as Maori Bay for the famous shipwreck.

Reef dive. Boat access only. Depth between about 3 and 21 m.

This site is in a Marine Protected Area (2004). A permit is required.

Name

The site is named after a local diver who was on the first dive at the site, and emigrated soon afterwards.

Depth

Maximum depth in the immediate vicinity is about 21 m, and the top of the pinnacle is at about 3 m. Average depth of a dive is likely to be about 18 m.

Visibility

Visibility is likely to be similar to the other offshore reefs of this part of the Cape Peninsula western seaboard. It may be very good for the region - between 10 and 20 m after a strong south-easterly wind, but this does not usually last long, particularly in summer.

Topography

The pinnacle is a massive but fairly compact outcrop of granite corestone, surrounded by high profile deeper reef.

Geology: Granite of the Pre-Cambrian Peninsula pluton.

Conditions

The site is exposed to westerly wind and waves, so should be dived in calm or south-easterly winds, when the prevailing south-westerly swell is moderate to low. The site is reasonably protected from south-easterly wind chop, but if a really strong south-easter develops then it would be prudent to dive one of the more sheltered inshore sites nearby. The site is usually at it's best in summer but there are also occasional opportunities at other times of the year. Thit is an area which sometimes has upwellings, caused by south easterly winds, resulting in cold clear conditions, until the sunshine gets the phytoplankton blooming and the visibility can reduce drastically over the course of a day, particularly in summer.

Muslim Friendly Travel TO Diving the Cape Peninsula and False Bay/Rachel's Reef

GPS -34.02385,18.302517|width=|align= Rachel's Reef}} This site is only dived from a boat, as it is challengingly far offshore and there is no road access to the adjacent shore.

The site is about 8.5km from the Diving the Cape Peninsula and False Bay/Hout Bay harbour|Hout Bay harbour slipway

What to See

Marine life

Colourful sponges, noble corals, sea anemones, basket stars, brittlestars and other starfish on the steep rock faces, Heavy growth of kelp in the shallower regions and smaller seaweeds on the top of the reef at middle depths, and sea urchins on the deeper reef top surfaces. Small shoals of hottentot seabream.

Red seaweeds at Rachel's Reef P2110160 - Red seaweeds
Sponges and cnidarians at Rachel's Reef P2110211 - Sponges and cnidarians
Sponge and bryozoans at Rachel's Reef P2110176 - Sponge and bryozoans
Noble coral at Rachel's Reef P2110215 - Noble coral
Sea anemones at Rachel's Reef P2110181 - Sea anemones

Photography

Theere are lots of fairly small, colourful invertebrates, so macro and wide angle lenses will be most versatile most of the time. On a really good day natural light will be sufficient, but much of the site is deep enough that there will not be much red left in the ambient light, even on a good day, so lighting will be needed to restore colour.

Suggested routes

There are no specific routes to recommend. Start deep and work up the reef, so you can do your safety stop with something to look at if the swell is low enough that the surge is not too strong. There are small caves and swim-throughs reported from the south-west part of the reef, at about 20 m depth, but their position is not known.

Stay Safe

Hazards

No site-specific hazards have been reported. The water will be cold, and may be quite choppy, so it is worth carrying a DSMB and reel to alert the boat of your position if you surface away from the shot-line.

Skills

No special skills required, though it is useful to be able to deploy a DSMB. The site is suitable for fairly fit entry level divers.

Equipment

A dry-suit is recommended, as the water temperature can be as low as 8°C, and seldom above 12°C. Nitrox can extend your dive time considerably at this depth range if you can handle the temperature and your cylinder is big enough. Local divers favour EAN 32% and 12 to 15 litre cylinders with a dry suit.

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Diving the Cape Peninsula and False Bay/Rachel's Reef

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