Alaska Undersea Tours
An Alaska undersea tour is a fairly new way of exploring Alaska's underwater landscape and come close to its flora and fauna. In Alaska, undersea tours are typically carried out by tour operators with semi-submersible vessels that make it possible to descent into the Alaskan waters without getting wet.
Alaska is not the Caribbean, so you can't expect to find tropical reefs teaming with clown fish in these waters. Instead, depending on exact location, you may see other fascinating creatures such as king crab, flatfish, halibut, cod, sponges, anemones and rare tree corals. Alaska undersea tours are normally only offered during the summer season, i.e. from May through September.
Each tour operator has its own program, so it is wise to compare various options before making a choice. Here are a few points that can be good to keep in mind when booking an Alaska undersea tour.
Alaska is located in the northwest extremity of the North American continent, with the Pacific Ocean to the west and the Arctic Ocean to the north. The state is home to a myriad of islands and has nearly 34 000 miles (54 700 km) of tidal shoreline. In Turnagian Arm, south of Anchorage, the tidal differences can be over 35 feet (10 meters), making it one of the world's largest tides.
Alaska has over 3 million lakes and over 12 000 rivers, plus thousands of streams and creeks. The Yukon-Kuskowin Delta, one of the largest river deltas in the world, is found here. Other examples of notable rivers in Alaska is the 500 mile (805 km) Innoko River in western Alaska and the 350 mile (560 km) Colville River of the Arctic Ocean.