Cleaver Heath Nature Reserve is a nature reserve in Heswall, on the Wirral Peninsula, managed by the Cheshire Wildlife Trust. It forms part of the Heswall Dales Site of Special Scientific Interest . Heswall Dales is regarded as the second best example of lowland heath in Merseyside, hosting localised species including Western Gorse Ulex gallii, Many-stalked Spike Rush Eleocharis multicaulis and Green-ribbed Sedge Carex binervis. Common lizards are also present. The reserve overlooks the estuary of the River Dee.