RSPB Snettisham is a nature reserve in the care of the Royal Society for the Protection of Birds, situated in the county of Norfolk, England, north of King's Lynn, and close to Sandringham. It faces The Wash, a large estuary. In autumn and winter, the big tides of the Wash pushes up hundreds of thousands of wading birds onto the Norfolk coast. The nature reserve's bird lagoons provide a safe habitat for them.