River Tat
In Norfolk
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Geography
Origin:	Syderstone Common
Grid reference:
Terminates:	Merges with the River Wensum
Grid reference:
Length:	3 . 6 miles approx
Fall:	Unknown
Catchment Area:	Unknown
Tributaries:	Unknown
Water Mills:	None

The River Tat is a short river in the County of Norfolk

Norfolk

Norfolk is a low-lying county in the East of England. It has borders with Lincolnshire to the west, Cambridgeshire to the west and southwest and Suffolk to the south. Its northern and eastern boundaries are the North Sea coast and to the north-west the county is bordered by The Wash. The county...

, 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...

. It is an important headwater for the River Wensum

River Wensum

The River Wensum is a chalk fed river in Norfolk, England and a tributary of the River Yare despite being the larger of the two rivers. The complete river is a designated Site of Special Scientific Interest and Special Area of Conservation ....

 of which 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...

. Its source is on Syderstone

Syderstone

Syderstone is a civil parish in the English county of Norfolk near the town of Fakenham.It covers an area of and had a population of 532 in 224 households as of the 2001 census....

 Common, just north of the village of Tattersett

Tattersett

Tattersett is a village and civil parish in the English county of Norfolk.It covers an area of and had a population of 902 in 390 households as of the 2001 census.For the purposes of local government, it falls within the district of North Norfolk....

. The marshes and pools of Syderstone Common that provide the headwaters for the river are a site of special scientific interest

Site of Special Scientific Interest

A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

 (SSSI) and are the home of a viable colony of the rare Natterjack Toad

Natterjack Toad

The Natterjack Toad is a toad native to sandy and heathland areas of Europe. Adults are 60–70 mm in length and are distinguished from Common Toads by a yellow line down the middle of the back...

.