Costa Beck is a small river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the Ryedale

Ryedale

Ryedale is a non-metropolitan district of the shire county of North Yorkshire in England. Settlements include Helmsley, Kirkbymoorside, Malton, Norton-on-Derwent, Pickering, and Terrington.-Derivation of name:...

 district of North Yorkshire

North Yorkshire

North Yorkshire is a non-metropolitan or shire county located in the Yorkshire and the Humber region of England, and a ceremonial county primarily in that region but partly in North East England. Created in 1974 by the Local Government Act 1972 it covers an area of , making it the largest...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

.

The source of Costa Beck is Keld Head Spring to the west of Pickering

Pickering, North Yorkshire

Pickering is an ancient market town and civil parish in the Ryedale district of the county of North Yorkshire, England, on the border of the North York Moors National Park. It sits at the foot of the Moors, overlooking the Vale of Pickering to the south...

. It is a tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the River Rye

River Rye, Yorkshire

The River Rye is a river in the English county of North Yorkshire. It rises just south of the Cleveland Hills, east of Osmotherley, and flows through Hawnby, Rievaulx, Helmsley, Nunnington, West and East Ness, Butterwick, Brawby, and Ryton, before joining the River Derwent at near Malton.On some...

 which joins the River Derwent

River Derwent, Yorkshire

The Derwent is a river in Yorkshire in the north of England. It is used for water abstraction, leisure and sporting activities and effluent disposal as well as being of significant importance as the site of several nature reserves...

, eventually flowing into the River Ouse

River Ouse, Yorkshire

The River Ouse is a river in North Yorkshire, England. The river is formed from the River Ure at Cuddy Shaw Reach near Linton-on-Ouse, about 6 miles downstream of the confluence of the River Swale with the River Ure...

 at Barmby on the Marsh

Barmby on the Marsh

Barmby on the Marsh is a village and civil parish in the East Riding of Yorkshire, England. It is situated approximately west of the market town of Howden...

.
Costa Beck was used for ship transport

Ship transport

Ship transport is watercraft carrying people or goods . Sea transport has been the largest carrier of freight throughout recorded history. Although the importance of sea travel for passengers has decreased due to aviation, it is effective for short trips and pleasure cruises...

 by mill

Gristmill

The terms gristmill or grist mill can refer either to a building in which grain is ground into flour, or to the grinding mechanism itself.- Early history :...

s as early as 1200. It is an ancient Anglo Saxon

Old English language

Old English or Anglo-Saxon is an early form of the English language that was spoken and written by the Anglo-Saxons and their descendants in parts of what are now England and southeastern Scotland between at least the mid-5th century and the mid-12th century...

 name.

The waters of Costa Beck are noted for their crystal-clarity, and fly fishing

Fly fishing

Fly fishing is an angling method in which an artificial 'fly' is used to catch fish. The fly is cast using a fly rod, reel, and specialized weighted line. Casting a nearly weightless fly or 'lure' requires casting techniques significantly different from other forms of casting...

 is popular and available by arrangement, usually free of charge. Trout

Trout

Trout is the name for a number of species of freshwater and saltwater fish belonging to the Salmoninae subfamily of the family Salmonidae. Salmon belong to the same family as trout. Most salmon species spend almost all their lives in salt water...

, dace

Dace

A dace is any of a number of species of small fish. The unmodified name is usually a reference to the Common Dace . This, like most fishes called "daces", belongs to the family Cyprinidae, mostly in subfamily Leuciscinae....

, grayling

Grayling (genus)

Thymallus is a genus of freshwater fish in the salmon family of order Salmoniformes; it is the only genus of subfamily Thymallinae. The type species is T. thymallus, the grayling. The genus's five distinct species are generically called graylings, but without qualification this also refers...

, salmon

Salmon

Salmon is the common name for several species of fish in the family Salmonidae. Several other fish in the same family are called trout; the difference is often said to be that salmon migrate and trout are resident, but this distinction does not strictly hold true...

, and pike can all be found in Costa Beck and kingfisher

Kingfisher

Kingfishers are a group of small to medium sized brightly coloured birds in the order Coraciiformes. They have a cosmopolitan distribution, with most species being found in the Old World and Australia...

s can be seen flying above. Today the river lies adjacent to Flamingo Land Theme Park and Zoo

Flamingo Land Theme Park and Zoo

Flamingo Land is a theme park and resort located in North Yorkshire, England. It attracts about 1.8 million visitors per year. Flamingo Land is also the 12th most visited theme park in Europe.Some of the major attractions at Flamingo Land include:...

, where visitors occasionally come from to fish.