Saddington Reservoir is a canal reservoir[2] and 19.1 hectares (47 acres) biological Site of Special Scientific Interest south of Saddington in Leicestershire.

[1][3] The reservoir was built between 1793 and 1797 to supply water to the Grand Union canal.

[2] The reservoir has a range of wetland habitats, such as open water, wet willow woodland and swamp.

There are a number of nationally scarce beetles, such as Carabus monilis, Atheta basicornis, Eledona agricola and Gyrophaena lucidula.

[4] There is public access to the site.