As a whole it is the second largest estuary in the United States ; ( Chesapeake Bay is the largest ).

For the final part of the river's length, around the city of Invercargill and the river's estuary just south of the city, it is known as the New River, a name occasionally encountered to refer to the whole river.

The line was drawn through the Cross River estuary to the west of the peninsula, thereby implying Cameroonian ownership over Bakassi.

The mouth and estuary of the Congo was now discovered ( perhaps in August 1482 ), and marked by a Padrão, or stone pillar ( still existing, but only in fragments ) erected on Shark Point, attesting the sovereignty of Portugal ; the great river was also ascended for a short distance, and intercourse was opened with the natives of the Bakongo kingdom.

It was a home of the Royal Navy from the reign of Edward III and was twice surprised and sacked during the Hundred Years ' War, after which the mouth of the estuary was closed every night with a great chain.

At Cairo, the Nile spreads out over what was once a broad estuary, subsequently filled by silt deposits to form what is now a fertile, fan-shaped delta some 250 km wide at its seaward extremity and extending about 160 km from north to south.

The strategic importance of the site was increased by the fact that it lay on a major river estuary, where vessels could dock at the port of Suso.

Along with the other land around the Hawkesbury River estuary, the Brisbane Water district was explored during the early stages of the settlement of Sydney.

The location was favorable because there is a short portage of less than 15 km to the Treene River, which flows into the Eider with its North Sea estuary, making it a convenient place where goods and ships could be ported overland for an almost uninterrupted seaway between the Baltic and the North Sea and avoid a dangerous circumnavigation of Jutland.

Although the town was small, with just one street, it was at the junction of Watling Street and the estuary of the Medway, and was thus a fortified town.

As well as its downstream interests, Mobil was active in the North Sea and operated an oil refinery in Coryton ( opened in 1953 ), on the Thames estuary.

Choosing what was possibly the continent's worst site for the first Spanish settlement in South America, in February 1536 Mendoza built a fort at a poor anchorage on the southern side of the Plata estuary on an inhospitable, windswept, dead-level plain where not a tree or shrub grew.

For ships entering the estuary, the immediate loss of wind due to the cliffs was a particular hazard, often resulting in ships being swept onto the Doom Bar.

The north shore of the estuary was under a Bulom king, and the area just east of Freetown on the peninsula was held by a non-Mani with a European name, Dom Phillip de Leon ( he may however have been a subordinate to his Mani neighbour ).

Helston once headed the estuary of the River Cober, before it was cut off from the sea by Loe Bar in the 13th century.

During the reign of his successor Æthelwulf, a Danish army arrived in the Thames estuary but was decisively defeated.

The estuary of the Solent River was gradually flooded, and eventually the Isle of Wight became separated from the mainland as the chalk ridge between The Needles on the island and Old Harry Rocks on the mainland was eroded.

It is called Caer Aber Sei ( o ) n ( t ) (" the fort on the estuary of the river Seiont ") in the medieval Welsh tale Breuddwyd Macsen (" Macsen's Dream "), and was also known as Caer Gystennin (" The Castle of Constantin ").

With an alleged force of 120 ships and 5, 000 Viking warriors, he landed in what is now France, probably at the Seine estuary, and ravaged West Francia, as the westernmost part of the Frankish Empire was then known.

Its estuary is a designated Site of Special Scientific Interest and also a Special Protection Area.

The estuary is now designated as an Area of Outstanding Natural Beauty, and an Erme Estuary Management Plan has been produced.

The southern bank of the Mawddach estuary, along which used to run a section of the GWR branch line from Ruabon to Barmouth, has now been designated the Mawddach Trail, an 8-mile cycle path running from Dolgellau to Morfa Mawddach, at the south side of the Barmouth railway bridge.

This estuary has been designated an Important Bird Area by the Canadian Wildlife Service.

The estuary is recognised as a wetland area of international importance and is designated as a Ramsar site.

Parts of the estuary have also been designated a Site of Special Scientific Interest.

In 1988, under the Clean Water Act, the Environmental Protection Agency and the State of Massachusetts designated Buzzards Bay to the National Estuary Program, as " an estuary of national significance " that is threatened by pollution, land development, or overuse.

The 500 acre ( 2. 0 km² ) reserve is situated one mile east of Llanelli and five miles ( 8 km ) north of Swansea in south Wales, on the eastern side of Carmarthen Bay, and part of the Burry Inlet estuary which is an SSSI ( Site of Special Scientific Interest ), an SPA ( Special Protection Area ), and a Ramsar Site.

Budleigh lies at the mouth of the River Otter, where the estuary forms an area of reed bed and grazing marsh, an important haven for migratory birds and a Site of Special Scientific Interest.

The town is situated amongst a group of small hills alongside the River Severn estuary, including Churchill, Wain's hill ( which is topped by the remains of an Iron Age hill fort ), Dial hill, Strawberry hill, Castle hill, Hangstone hill and Court hill which is a Site of Special Scientific Interest.

Hilbre Island ( ) is the largest of a group of three islands at the mouth of the estuary of the River Dee, which is a part of the estuary Site of Special Scientific Interest.

The Yar estuary is also part of a 132. 4 hectare biological Site of Special Scientific Interest on the Isle of Wight, notified in 1977.

The estuary of the River Nith is an important site for wildfowl, and is protected at an international level as part of the Upper Solway Flats and Marshes Ramsar site and Special Protection Area, and as part of the Solway Firth Special Area of Conservation.

Its 10 mile wide estuary forms part of the Ribble and Alt Estuaries Special Protection Area for wildlife.

The estuary, along with the Tamar – Tavy Estuary system and St John's Lake, form the Tamar Estuaries Complex Special Protection Area ( SPA ), as well as forming part of the Plymouth Sound and Estuaries Special Area of Conservation ( SAC ).

The estuary forms part of the Ribble and Alt Estuaries Special Protection Area for wildlife.

The estuary is recognised as a Special Protection Area ( SPA ) under the EC Directive on the conservation of Wild Birds.

The estuary is recognised as a Special Area of Conservation ( SAC ) under the EU Habitats Directive.

The estuary is a Special Protection Area and SSSI.

After crossing medieval Barnstaple Long Bridge, the path then turns west following the disused Bideford & Instow Railway line along southern bank of the Taw past Fremington Quay and the Fremington Quay Cliffs SSSI to Instow at the joint estuary of the Rivers Taw and Torridge and the Taw-Torridge Estuary ( SSSI ).

Four small SSSIs at Harbour Cove, Rock Dunes, Trebetherick Point and Pentire Peninsula are on the estuary, while the River Camel Valley and Tributaries SSSI covers much of the Camel Valley between Egloshayle and Blisland, and then extends in several further sections of varying size right up to its source.

The SSSI includes most of the foreshore upstream from Cardiff and Brean Down and most of the upper estuary as far as Sharpness.

The Exe Estuary is a site of international importance for wading birds, which feed on the estuary mudflats at low tide, and roost at high tide at the adjacent Dawlish Warren SSSI, Bowling Green Marsh in Powderham Park.