Lashford Lane Fen is a 7-hectare (17-acre) nature reserve north of Dry Sandford in Oxfordshire.

It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.

[1] It is part of Cothill Fen, which is a Site of Special Scientific Interest[2] and Special Area of Conservation.

[3] Sandford Brook runs through this wet valley, which has limestone grassland, fen, woods, scrub, a pond and reedbeds.

Reed buntings winter on the site, and other birds include water rail and reed warblers.