Lake Huron is the third largest freshwater lake on Earth. Its lake shore is 3827 mi/ 6159 km long and the average depth is 195 ft/ 59.4 m. Lake Huron and Lake Michigan have the same surface elevation and are technically a single lake. The Straits of Mackinac connects Lake Michigan and Lake Huron. Many ships have sunk in the Straits, due to storms over the past years, some of them yet to be found. The Straits of Mackinac Underwater Preserve tries to preserve Michigan’s shipwrecks. The preserve contains more than thirteen recognized shipwrecks. One of them is the Martin Stalker.
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Scuba Diving in Marico Oog, Green Kalahari, North-West South Africa
Within some kilometers away from Groot Marico, there is a body of crystal clear water, with floating lillies, a fresh water-bed of wide-leafed plants, making up for the magical Marico Oog. Marico Oog is the best inland diving spot in South Africa. Diving here is more scenic and mostly used for advanced training or night dives by most Gauteng dive centers. There are no air fills possibilities on the spot, therefore requiring divers to carry their own compressors or cylinders.
Marico Oog depth drops at 16 m/52 ft and offers a visibility rate of more than 20 m/65 ft long. Formed by a natural spring, water temperatures here range between 18-24°C/ 64.4-75.2°F. The base of the pool is characterized by plant life and inhibited by divers fish species, like the bass, kurper and in some cases the fresh water eels. Advance booking is necessary and always remember to carry your diving gear.