A river island is any exposed landmass surrounded by river water. Properly defined, it excludes shoals between seasonally varying flows and may exclude semi-coastal islands in river deltas such as Maraj.

These islands result from changes in the course of a river. Such changes may be caused by interactions with a tributary, or by the opposing fluvial actions of deposition and/or erosion that form a natural cut and meander. Nascent vegetation-free shoals and mudflats may dissipate and shift or build up into such islands through deposition; the process may be assisted through artificial reinforcement or natural factors, such as reeds, palms, evergreen trees or willows, that act as obstacles or erosion barriers, so that water flows around them. Islands may be small or large, covering many square kilometers, examples of which are given below.


River Island


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The term "towhead" implies an islet (small island) or shoal within a river (most often the Mississippi River) having a grouping or thicket of trees, and is often used in the Midwestern United States. Many rivers, if wide enough, can house considerably large islands. The term "towhead" was popularised by Mark Twain's Adventures of Huckleberry Finn.

Majuli (a non-coastal landmass between two banks of a river), located in the Brahmaputra River in Assam, India, is recognised by Guinness World Records as the world's largest inhabited riverine island, at 880 square kilometres (340 sq mi).[1]

The Encyclopdia Britannica cites another large non-coastal landmass, Bananal Island (an island that divides the Araguaia River into two branches over a 320 km (200-mile) length of water), located in Tocantins, central Brazil, to be the world's largest river island instead, at 19,162 square kilometres (7,398 sq mi).[2]

However, Bananal Island is not considered a riverine island by some geologists,[who?] as they consider the Araguaia River to form two distributaries, and Bananal Island to be the landmass between these two distributed rivers.[citation needed] However, Bananal Island is technically an island as it does not touch the main landmass at any point.

On canalised rivers, such as the Thames and the Seine, one-home islands exist, containing houses constructed of permanent materials. Canals reduce erosion of the islands and in particular limit the height of flash flooding by maintaining substantial "heads" of water through barrages.[citation needed] One-home islands improved by river canals include Monkey, Friday, Holm and D'Oyly Carte islands.

The River Island Hotel offers a relaxing and comfortable haven for people exploring the rugged west coast, in the heart of Castleisland, Co. Kerry. At the heart of 'The Kingdom', nestled between the towns of Killarney and Tralee, the River Island Hotel is the perfect centerpiece to the many touristic sites that the Kingdom of Kerry has to offer, as well as local industries and businesses.

Its central location is ideal for business travellers and tourists alike, with a team of longstanding and dedicated staff, you can rest assured that you will be in a welcoming and warm setting. All of the conveniences of Castleisland await your discovery with our prime town centre location.

Wisconsin, with its 84,000 miles of rivers and 15,000 lakes, is full of places to paddle, float, fish, or just watch and listen. The BLM has a share in all this beauty, as we manage almost 500 islands in Wisconsin's rivers and lakes. Many islands in this region were omitted from the original land surveys conducted in the 1830s and 1840s, and we don t manage all of them. Many of the islands we do manage are close to other state-owned and privately owned islands, so it's critical that visitors determine whether an island is public land before using it.

The flowages between Stevens Point and Nekoosa are chock-full of more than 60 public islands, ranging from small, low patches of willows and alder, to large stands of mixed pines and hardwoods. Below Castle Rock Lake, the islands down to Prairie du Sac are mostly floodplain forests with broad sandbars that invite paddler-campers. A few of these islands have remnant prairie and savanna vegetation.

Many public islands are perfect fishing spots, lunch stops for your next float trip, or overnight campsites. Future management plans include the posting signs so recreationists may know which ones are available for public use and local restrictions, if any.

Drawn by a gentle current, the kids can unwind by drifting around on this pint-sized lazy river. The Lost Island River is a spot where the kids can come and relax after a long day of going on the rides!

The U.S. Army Corps of Engineers, which operates nearby Bonneville Dam, for years dumped toxic waste on the island, located 40 miles (63 kilometers) east of Portland, Oregon, and into a portion of the river. That waste contaminated fish caught and eaten by humans.

The U.S. Army Corps of Engineers used the island as a landfill for 40 years and disposed of electrical equipment in the Columbia River, resulting in contamination from toxic polychlorinated biphenyls, or PCBs.

Bradford Island and surrounding waters are fishing areas for multiple Native American tribes, despite advisories warning people not to eat fish found in that part of the river such as bass and sturgeon.

RiverIsland Nature Retreat offers accommodation ranging from luxury fully equipped cedar cabins overlooking the valley, quality caravans and grassed camp sites by theriver , the park also has amenities blocks, laundry facilities, spas, pools and BBQ areas nestled in 2,000 acres of private, secluded unique property located in theSouthern Highlands, 40km from Mittagong, on the banks of the Wollondilly River. ff782bc1db

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