Whitewater Valley is a 4.3-hectare (11-acre) biological Site of Special Scientific Interest north-west of Wittering in Cambridgeshire.

[1][2] Habitats in this site include a stream together with associated marsh, tall fen and willow carr.

The carr has a varied flora, and the marsh has many plants rare in the county.

There are also springs, which have mosses including the uncommon cratoneuron commutatum.

[3] The site is private land with no public access.