Lake Michigan is the second largest Great Lake by volume and the only one located entirely in the United States. The lake’s shoreline is more than 1600 mi/2575 km and the average depth is 195 ft/59.4 m. Lake Michigan and Lake Huron have the same surface elevation and are technically a single lake. They are actually connected by the Straits of Mackinac, where many ships have foundered due to heavy storms. The Straits of Mackinac Underwater Preserve, located at the northern edge of Lakes Michigan and Huron, tries to preserve Michigan’s shipwrecks for next generations. One of the shipwrecks found is Colonel Ellsworth.
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Scuba Diving in Northern Outer Reef, Adelaide, South Australia Australia
The metropolitan area of Adelaide is famous for the variety and great number of diving sites it has to offer (you can visit here some of the most impressive shipwrecks in the whole world). The waters have the perfect temperature for scuba diving (warm during the summer and crystal clear during the winter), and are generally friendly and uncrowded.
Northern Outer Reef, a 100 m/328 ft long reef system with rocky overhangs and ledges, is a popular destination for diving, mainly due to the spectacular and varied fish populations the area hosts.
The site seems to be a breeding ground for Blue Devils, as many young ones can be found around. See the impressive sea sponges, as well as schools of old wives, drummers and cuttlefish. Suitable for advanced divers.
Average viz: 12 m/39 ft. Maximum depth: 22 m/72 ft.
Relevant activites based in Australia
December – AUSTRALIA
River Rafting Tour Class III / IV / V & outdoor experiences on Tully River.
Not an expedition. 21 Days – air travel not included.