Stockbridge Common Marsh

Stockbridge Common Marsh is a 64.8 ha biological Site of Special Scientific Interest south of Stockbridge in Hampshire. It is owned by the National Trust.

This site stretches for 2 km along the flood plain of the River Test. It has wetland habitats including marsh, fen, carr, alluvial meadows and a large shallow lake. The marsh has a rich variety of flora, with 180 species of flowering plants, including bog pimpernel, adder’s-tongue fern, marsh  valerian and bogbean.