Castlemartin, Pembrokeshire be offered to Flimston. In 2011, the MoD opened up a special diversionary route which was safer for walkers by protecting them from the range fire and preventing them for having to negotiate narrow country roads with fast moving traffic. The Church of St. Michael is a Grade I listed building. It contains a cross-inscribed stone pillar of the 7th century-9th century. Currently, the church is closed. Census population of community 496 (1801): 528 (1851): 460 (1901): 243 (1951): 147 (2001). Castlemartin, Pembrokeshire Castlemartin () is a village in (and giving its name to) the Castlemartin Hundred, Pembrokeshire, Wales. It
Pembrokeshire features was a key factor in the establishment of the Pembrokeshire Coast National Park and a number of sites of special scientific interest (SSSIs). In the north of the county are the Preseli Hills, a wide stretch of high moorland supporting sheep farming and some forestry, with many prehistoric sites and the probable source of the bluestones used in the construction of the inner circle of Stonehenge in England. The highest point is Foel Cwmcerwyn at , which is also the highest point in Pembrokeshire. Elsewhere in the county most of the land (86 per cent according to CORINE) is