 The chambered tomb (Derbyshire's largest) and barrows are a Scheduled Monument.The chambered tomb comprises an oval cairn of surviving to a height of and containing two complete chambers made of limestone slabs, and at least three other incomplete chambers.The tomb was excavated by Thomas Bateman in 1843 and 1851 and was described by Nikolaus Pevsner as "one of the most impressive of Derbyshire's surviving prehistoric burials".