Goss Moor is a National Nature Reserve in Cornwall, England, located 12 kilometres (7.5 mi) south-west of Bodmin in the parishes of St Dennis, St Columb Major, Roche and St Enoder. It is the largest continuous mire complex in south-west Britain and consists of mainly peatland and lowland heath. Together with the neighbouring moor to the east, it forms the Goss And Tregoss Moors Site of Special Scientific Interest (SSSI), as well as the Breney Common and Goss and Tregoss Moors Special Area of Conservation (SAC).