Barnwell West is a 3.8 hectare Local Nature Reserve in Cambridge.

It is managed by Cambridge City Council.

[1][2] This is a linear site along Coldhams Brook, which is managed to encourage water voles.

There are birds such as kingfishers, redwings and fieldfares, and butterflies include speckled woods and orange tips.

[1] There is access from Barnwell Road and Coldham's Common.