There are 18 Local Nature Reserves in Northamptonshire. Northamptonshire is a county in the East Midlands of England. It has an area of 236,700 hectares (914 sq mi) and a population estimated in mid-2015 at 723,000. A ridge of low Jurassic hills runs through the county, separating the basins of the Welland and Nene rivers. The county's main architectural feature is its country houses and mansions. Twelve of its Local Nature Reserves are managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire, and two are also Sites of Special Scientific Interest, Ramsar internationally important wetland sites, and Special Protection Areas under the European Union Directive on the Conservation of Wild Birds. The largest site is Titchmarsh Nature Reserve at 72.7 hectares (180 acres), which has nationally important numbers of goosanders, wigeons and gadwalls in winter. (Full list...)