[1] The character of the reserve is defined by flooded gravel pits and wet grassland, providing an excellent habitat for large variety of wetland flora and fauna.

Originally water meadows and agricultural fields straddling both sides of the River Nene, the site has been transformed significantly in recent history.

[4] In 2012, with help from a Heritage Lottery Fund grant and public donations, the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire purchased the neglected site.

[5] The Nene Valley is one of the most important wetlands in England and has gained international recognition for its significance as a stop-over for thousands of wildfowl and waders that visit during the winter.

The quantity and variety of birdlife varies greatly with the seasons, with the following overwintering at the site:[1] Surrounding the river and lakes, fragments of now rare meadow survive.