This is a long cairn measuring 32 metres in length on an ENE-WNW axis. It is approximately 11.6 metres wide at the W end and at the centre, but narrows to around 9.1 metres at the E end. It has a maximum height of 1.5 metres.
Bridge Of Lyon is in the parish of Fortingall and the county of Perthshire.
Grid reference: NN 7296 4655
Lat / long: 56.59327481, -4.070105988
Enter a starting point