INFORMATION:

RAF Predannack is on the Lizard peninsular of Cornwall. From Helston take the A3083 south, past RNAS Culdrose airfield (where there is a very good viewing area for Culdrose airfield). Cary on the A3083 and 2Km after the turning for Mullion is the airfield entrance.

OS Ref: SW697164
You can use the Ordnance Survey 'Get a Map' and follow the instructions. Copy and paste the map reference.