the South Ayrshire Council area, which border North and East Ayrshire respectively. The southern border of the area follows the River Ayr between Ayr and the administrative border between South Ayrshire and East Ayrshire. Kyle Castle At Dalblair near Cumnock, at the confluence of Guelt and Glenmuirshaw Waters, lie the ruins of the once impressive 15th century Kyle Castle. References External links Map of Kyle Map of Kyle Gazetteer for Scotland entry for Kyle Geography of East Ayrshire Districts of Scotland History of East Ayrshire Geography of South Ayrshire