amalgamated with the Plymouth, Devonport and South Western Junction Railway crossing the Tamar above Calstock and onto the junction at Bere Alston. The Gunnislake to Bere Alston section still survives as part of the Tamar Valley Line. Some remnants, mainly the granite blocks, of the line can be found on the northern slopes of the Country Park site. References External links Kit Hill Country Park Operation Orpheus - Atomic Energy Authority(Excelsior Tunnel) Hills of Cornwall Marilyns of Cornwall Country parks in Cornwall Bronze Age sites in Cornwall Military history of Cornwall Cornish Killas