Ely Pits and Meadows is an

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...

(SSSI) on the eastern outskirts of

Ely Ely or ELY may refer to: Places Ireland * Éile, a medieval kingdom commonly anglicised Ely * Ely Place, Dublin, a street United Kingdom * Ely, Cambridgeshire, a cathedral city in Cambridgeshire, England ** Ely Cathedral Ely Cathedral, formal ...

Cambridgeshire Cambridgeshire (abbreviated Cambs.) is a Counties of England, county in the East of England, bordering Lincolnshire to the north, Norfolk to the north-east, Suffolk to the east, Essex and Hertfordshire to the south, and Bedfordshire and North ...

. It is the only SSSI in the county which is designated both for its biological and geological interest. It is also a

Geological Conservation Review The Geological Conservation Review (GCR) is produced by the UK's Joint Nature Conservation Committee and is designed to identify those sites of national and international importance needed to show all the key scientific elements of the geological a ...

site, and an area of 8 hectares is the

Roswell Pits Roswell Pits is an 8 hectare nature reserve on the eastern outskirts of Ely in Cambridgeshire. It is managed by the Environment Agency. It is part of the Ely Pits and Meadows Site of Special Scientific Interest (SSSI)) and Geological Conservation ...

nature reserve, which is managed by the

Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire The Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire (WTBCN) is a registered charity which manages 126 nature reserves covering . It has over 35,000 members, and 95% of people in Bedfordshire, Cambridgeshire and Northamptonshi ...

. This site on the bank of the

River Great Ouse The River Great Ouse () is a river in England, the longest of several British rivers called "Ouse". From Syresham in Northamptonshire, the Great Ouse flows through Buckinghamshire, Bedfordshire, Cambridgeshire and Norfolk to drain into the Wa ...

has disused clay and beet pits, grassland and ponds. It has yielded an extensive assemblage of fossils reptiles dating to the

Kimmeridgian In the geologic timescale, the Kimmeridgian is an age in the Late Jurassic Epoch and a stage in the Upper Jurassic Series. It spans the time between 157.3 ± 1.0 Ma and 152.1 ± 0.9 Ma (million years ago). The Kimmeridgian follows the Oxfordian ...

, around 155 million years ago in the late

Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...

. Its biological interest lies mainly in its breeding birds, especially nationally rare wintering and breeding

bitterns Bitterns are birds belonging to the subfamily Botaurinae of the heron family Ardeidae. Bitterns tend to be shorter-necked and more secretive than other members of the family. They were called ''hæferblæte'' in Old English; the word "bittern" ...

. There are also water voles and at least six species of bat. There is access to Roswell Pits by a footpath from Kiln Lane.

References

{{SSSIs Cambridgeshire Sites of Special Scientific Interest in Cambridgeshire Geological Conservation Review sites